Opinions about obviousness are to a certain extent a function of time.

The hardest thing to understand in the world is the income tax.

The enormous mental resilience, without which no Chess player can exist, was so much taken up by Chess that he could never free his mind of this game

A photograph never grows old. You and I change, people change all through the months and years but a photograph always remains the same. How nice to look at a photograph of mother or father taken many years ago. You see them as you remember them. But as people live on, they change completely. That is why I think a photograph can be kind.

I consider it important, indeed urgently necessary, for intellectual workers to get together, both to protect their own economic status and, also, generally speaking, to secure their influence in the political field.

The intuitive mind is a sacred gift and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift.

The true definition of madness is repeating the same action, over and over, hoping for a different result.