If you took half of something and continued to take half of that half and so on, you would never reach an end.

We will never be able to solve the problems of tomorrow with the thinking of today

I find it difficult to believe that I belong to such an idiotic, rotten species - the species that actually boasts of its freedom of will, heroism on command, senseless violence, and all of the loathsome nonsense that goes by the name of patriotism.

A table, a chair, a bowl of fruit and a violin; what else does a man need to be happy.

The more I learn of physics, the more I am drawn to metaphysics.

What distinguishes the language of science from language as we ordinarily understand the word? ... What science strives for is an utmost acuteness and clarity of concepts as regards their mutual relation and their correspondence to sensory data.

Play is the highest from of research.