Inner freedom is an infrequent gift of nature and a worthy object for the individual.

I have just got a new theory of eternity.

I think 99 times and find nothing. I stop thinking, swim in the silence, and the truth comes to me.

It is an outcome of faith that nature-as she is perceptible to our five senses-takes the character of such a well formulated puzzle.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

We know nothing at all. All our knowledge is but the knowledge of schoolchildren. The real nature of things we shall never know.

If God has created the world, his primary worry was certainly not to make its understanding easy for us