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• Title: Foreword: First Scientific Lecture-Course
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  • walls of earth 20th-century scientific thinking he brought the
  • The Anthroposophical Movement within
  • good thing for mankind that in this Movement some
  • as nothing was held valid as “secure knowledge”
  • those things which we can investigate by means of the outer
  • more intimate circles I might speak of many things in a form
  • of this new epoch even within the present century. For
• Title: Prefatory Note: First Scientific Lecture-Course
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  • “May scientists and thinkers
• Title: First Lecture (First Scientific Lecture-Course)
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  • present-day scientific thinking altogether. The scientists who think
  • The second thing, done
  • of Physics. There is one thing however to which we may draw attention
  • wave-movement in the ether. They do not pause to think, whether it is
  • Goethe's way of thinking. In this respect it is especially important
  • ether. Not in this style did Goethe apply scientific thinking. In his
  • wants to stay within the sphere of what is known, nor in the first
  • subjective or objective? His use of scientific thinking and
  • unknown; he will apply all thinking and all available methods to put
  • the phenomena of Nature to mathematical thinking as Goethe had.
  • disputed no doubt. Some people think he had no clear idea of the
  • — has grown to be the determining factor in the way we think
  • things we really must reach clarity. You see, dear Friends, along the
  • accustomed way of approach to Nature we have three things to begin
  • with — things that are really exercised by man before he
  • is something man understands on its own ground, in and by itself.
  • arithmetic, we receive something which, to begin with, has no
  • three to which I have referred is again a thing we do before we come
  • of their angles, — all these are things which we determine
  • things purely in the mind, using the crutches of outer illustration
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• Title: Second Lecture (First Scientific Lecture-Course)
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  • move, it must be something in outer space. In short, we must suppose
  • of the fact that the point must be something in space, and this
  • “something” may be bigger or it may be smaller;
  • side of the equation we have mass, i.e. the very thing we can never
  • see, when I write v2, therein I have something
  • altogether contained within what is calculable and what is spatial
  • m on the other hand, I must first ask: Is there anything in
  • something: you thus acquaint yourself with the simplest form of
  • something with your finger. Now we must ask ourselves: Is there
  • something going on in us when we exert pressure with our finger,
  • some-thing you will probably recall from your school-days; I have no
  • about 1250 grammes. If, when we bear the brain within us, it really
  • only bound to downward tending matter. And now please think of this:
  • when we are thinking.
  • to take hold of such things as physical weight and buoyancy for
  • need some deepening of Science to take hold of these things. We
  • into its thinking. — so to connect outer phenomena like the one
  • light works purely and simply as light, not only do we lose nothing
  • following. We will remain purely within the given facts. Kindly
  • add nothing to the facts in saying this): — the cylinder of
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• Title: Third Lecture (First Scientific Lecture-Course)
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  • things which you will not find in the text-books, things not included
  • you who found things difficult to understand). Your difficulty lies
  • undergo instils this mental habit. Thinking of outer Nature, people
  • spatially formal, and kinematical. Called on to try and think in
  • light came to his notice. Among other things, he learned of the
  • contains the seven colours within itself — a rather difficult
  • thing to imagine, no doubt, but that is what they said. And when we
  • often happens, one does not get down to a thing right away. Now
  • was uniform white he saw nothing of the kind. Goethe was roused. He
  • himself: It is not that the light is split up or that anything is
  • patch of light, while it is relatively light within it.
  • prism, I should of course get something very like what we had
  • be a space — all this is remaining purely within the given
  • facts — a space within which I should always find it possible
  • Within a certain distance either way, such a picture will be able to
  • wide space within which such pictures could be formed. But as you
  • thing differently by using a prism with curved instead of plane
  • to and fro within a certain range, I should still get the picture
  • IIIb). The other was thick in the middle and thin at the edges;
  • this one is thin in the middle and thick at the edge. Using this
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• Title: Fourth Lecture (First Scientific Lecture-Course)
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  • follows: When I look through darkness at something lighter, the light
  • If for example I look at anything luminous and, as we should call it,
  • illumined, you will be looking at the dark through something light.
  • can be seen on every hand if we once accustom ourselves to think more
  • things: first the simple light as it streams on, and then the dimness
  • sufficiently thin cylinder of light, we can also look in the
  • you — you see something light, namely the cylinder of light
  • itself, but you are seeing it through dark. (That there is something
  • region). Through something darkened — through the blue colour,
  • in effect — you look at something light, namely at the
  • through a space that is lit up. Thus you are seeing something darker
  • suppose a physicist, witnessing this experiment, were thinking in
  • but while these things are calculated very neatly, one cannot but
  • lighter. The next thing to happen, one step further on, is that once
  • asking you most thoroughly to think of; you should be able to follow
  • arises within the light itself by means of this apparatus, so that a
  • According to the physicists who think along these lines, they will in
  • adding things out of the blue, of which man has no knowledge. Of
  • it volatilizes. Then a peculiar thing happens. Making a spectrum, not
  • thing comes about when we combine the two experiments. We generate
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• Title: Fifth Lecture (First Scientific Lecture-Course)
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  • careful experiment, it is true, we should perceive that everything
  • Bunsen. If we arrange things so that the source of light generating
  • Bologna stone, we can take the light away and the thing still goes on
  • try to do is to approach the phenomena rightly with our thinking, our
  • to all these other things. Please, once again, only think quite
  • exactly of what I shall bring forward. Think as precisely as you can.
  • velocity. That it has this velocity, is the one real thing about it.
  • But now we set to work and think. We no longer envisage the quick
  • totality, the quickly moving body; instead, we think in terms of two
  • velocity, the one thing actually there, we by our thinking process
  • time. The space and time, compared to this real thing which we denote
  • duality of space and time. The real thing we have outside us is the
  • cannot; they are within our perceiving, — in our perceiving
  • am now saying. With space and time we are one. Think of it well. We
  • to us, — that is the essential thing. Here once again you see
  • “objective” thing — here, the velocity. It will be
  • from them — is also true of another thing. But, my dear Friends
  • within us.” But that is not what I am saying. I say that in
  • have said of space and time is also true of something else. Even as
  • common to us and the things outside us — the so-called bodies.
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• Title: Sixth Lecture (First Scientific Lecture-Course)
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  • Nay, the whole way of thinking about the phenomena of Physics,
  • perceive the thing displaced. It appears at a different place than
  • anything at all through the same denser medium, and we now try to
  • The part below it, which I am treating as if it were just nothing
  • never to speak of rays of light or anything of that kind, but only of
  • light. Only if we think in this way can we begin to feel what is
  • in reality is never simply light as such; it is always something
  • must take the dark seriously, — take it as something real. (The
  • century were only able to creep in because these things were not
  • The ordinary physicist of today thinks there is stronger light and
  • the case of darkness this is how people think: Of light there are
  • progress to a qualitative way of thinking, which very largely
  • must approach these things with the help of some comparison. Truly,
  • out, we have to give away, — we have to give something of
  • quality of coming towards us and imparting something to us; the dark
  • Something in our outer world communicates itself to us when we are
  • under the influence of light; something is taken from us, we are
  • will feel something very like this in the absorption of our
  • light, the enduring colours. We cannot treat all these things
  • in a way unite with this light-filled space. Something in us swings
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• Title: Seventh Lecture (First Scientific Lecture-Course)
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  • there is nothing there. You yourself, as it were, see the green
  • requisite conditions. Whilst in the other case we have something,
  • one thing we must insist on in this connection. The
  • these things will lead you no longer to look for the contrast,
  • there, or in your frontal cavity? We are not outside the things,
  • our being are in the things; moreover we are in them even more
  • in realizing this we may also become aware of something more.
  • from this being an unconscious thing, your consciousness indwells
  • environment. — If you think these things through, you will
  • imparting something to us. But this grows different again when we
  • within us. We human beings, after all, are to a very small extent
  • ourselves have something of the airy element within us in a
  • to outward appearance. There is our breathing process: we
  • through my breathing, am forever living in this rhythmic,
  • breathing process. In that my bodily organism partakes in these
  • oscillations of the breathing process, there is an inner
  • oscillation of the rhythmic forces, there is produced within you
  • Something, they say, is going on in the space outside, this then
  • shall not get any further if we do not try to think out clearly,
  • simply cannot think these notions through to their conclusion, for
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• Title: Eighth Lecture (First Scientific Lecture-Course)
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  • of thinking was very different from what it then became.
  • such a thing as a velocity of light, you may then call the time
  • — and you get something like a “velocity of propagation
  • of the earliest things to which men became attentive in this
  • especially took up the study of these things. In the 17th century
  • way. So there arises a thinning-out, a dilution of the air. Then at
  • strong tendency, above all things, not to enter spiritually into
  • people fail to reflect that this whole way of thinking, applied to
  • main things we now have to discover is what happens when we
  • hand all that which we do not merely think out in our own inner
  • us are only the oscillations. Could anything be clearer? — so
  • condensations and attenuations; that unknown something within me
  • even goes on to say: Whoever thinks that the picture which he
  • nothing at all and had better close the book.
  • Such things,
  • sitting here, according to this way of thinking (I do not say
  • method, but way-of-thinking) which physicists have grown accustomed
  • soul — which, within you and for yourselves, is surely not to
  • this and nothing else. It is of course open to the physicist to be
  • upon me of the vibrations of your brain. To see through a thing
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• Title: Ninth Lecture (First Scientific Lecture-Course)
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  • explanations may be rounded off, to give you something more
  • beginning no doubt with things that are well-known to you from your
  • peculiar thing is that positive electricity always induces and
  • had discovered something of very great significance. He had found
  • two things at once, truth to tell, — two things that should
  • current, taking place to all appearances purely within the
  • inorganic realm. But we have something else as well, if once again
  • which Galvani had observed contained two things. One of them can be
  • means of different metals with the help of liquids. The other thing
  • was it difficult to do so within certain limits. One could release
  • to think of it in this way — that the mechanical work, which
  • proof that with electricity something like a wave-movement is
  • warmth are in fact similar in some respects. Now they could think the
  • thinking of 19th century Physics had been right.
  • judged within that sphere. We have been undergoing social
  • your knowledge of these things; I cannot go into them all from the
  • something is there, demanding our consideration),—
  • the gaseous condition. He thinks of it as radiant matter —
  • due to something of a material kind — though in a very
  • indicated that this was something somehow identifiable with matter,
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• Title: Tenth Lecture (First Scientific Lecture-Course)
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  • to develop a right way of thinking upon the facts and phenomena
  • nothing more revolutionary in any realm than this most recent
  • of matter itself in its old form. Out of the old ways of thinking,
  • the raying light itself something like radiating electricity. I do
  • place from here (as we say yesterday, this is how Crookes thinks of
  • something like a shadow of the St. Andrew's cross, from which you
  • telling you how in the further study of these things it appeared
  • another thing emerges from these materials, known as radium etc. It
  • changes into helium, for example; so it becomes something quite
  • ideas, into his very thinking. Unable any longer to think the
  • think, by what they could, — namely by what was purely
  • the 19th-century thinking to penetrate into the phenomena. But this
  • phenomena themselves with human thinking. Now to this end certain
  • something of the direction from which it first began, that we were
  • arithmetical thinking. Geometry, you know, was a very ancient
  • quadrilateral etc., — the way of thinking all these forms in
  • pure Geometry — was a thing handed down from ancient time.
  • This way of thinking was now applied to the external phenomena
  • presented by Nature. Meanwhile however, for the thinkers of the
  • century thinking went a long way in this direction, especially
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