One must always do what one really cannot.

Everything we call real is made of things that cannot be regarded as real.

If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.

A physicist is just an atom's way of looking at itself.

Those who are not shocked when they first come across quantum theory cannot possibly have understood it.

In our description of nature the purpose is not to disclose the real essence of the phenomena but only to track down, so far as it is possible, relations between the manifold aspects of our experience.

I go into the Upanishads to ask questions.