Everything we call real is made of things that cannot be regarded as real.
Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.
When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.
An expert is a man who has made all the mistakes which can be made, in a narrow field.
Prediction is very difficult, especially if it's about the future.
Nothing exists until it is measured.
In the great drama of existence we are audience and actors at the same time.
If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.
Opposites are not contradictory but complementary.
A deep truth is a truth so deep that not only is it true but it's exact opposite is also true.
A physicist is just an atom's way of looking at itself.
If you think you understand it, that only shows that you don't know the first thing about it.
I go into the Upanishads to ask questions.
No paradox, no progress.
A physicist visits a colleague and notices a horseshoe hanging on the wall above the entrance. 'Do you really believe that a horseshoe brings luck?' he asks. 'No,' replies the colleague, 'but I've been told that it works even if you don't believe in it.'
Every valuable human being must be a radical and a rebel, for what he must aim at is to make things better than they are.
The meaning of life consists in the fact that it makes no sense to say that life has no meaning.
There are some things so serious you have to laugh at them.
The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.
When asked ... [about] an underlying quantum world, Bohr would answer, 'There is no quantum world. There is only an abstract quantum physical description. It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we can say about Nature.'
Some subjects are so serious that one can only joke about them.
There are two sorts of truth: trivialities, where opposites are clearly absurd, and profound truths, recognised by the fact that the opposite is also a profound truth
Sometimes the child in one behaves a certain way and the rest of oneself follows behind, slowly shaking its head.
No, no, you're not thinking; you're just being logical.
Our task is not to penetrate the essence of things, the meaning of which we do not know anyway, but rather to develop concepts which allow us to talk in a productive way about phenomena in nature
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