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.'

One thought spectra are marvellous, but it is not possible to make progress there. Just as if you have the wing of a butterfly then certainly it is very regular with the colors and so on, but nobody thought one could get the basis of biology from the coloring of the wing of a butterfly.

It is very difficult to make an accurate prediction, especially about the future.

When searching for harmony in life one must never forget that in the drama of existence we are ourselves both actors and spectators.

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.

I go into the Upanishads to ask questions.