Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social enviroment. Most people are incapable of forming such opinions. ( Essay to Leo Baeck , 1953)

When I was young I found out that the big toe always ends up making a hole in a sock. So I stopped wearing socks.

Memory is deceptive because it is colored by today's events

Have the courage to take your own thoughts seriously, for they will shape you.

The definition of insanity is doing the same experiment and expecting different results.

When we change the way we look at things, the things we look at change.

Every theory is killed sooner or later in that way. But if the theory has good in it, that good is embodied and continued in the next theory.

We cannot solve problems with the kind of thinking we employed when we came up with them

Szale?stwo: wykonywanie tej samej czynno?ci bez ko?ca i spodziewanie si?, ?e da to odmienne rezultaty.

We cannot solve our problems with the same thinking we used when we created them.

There are three musts that hold us back: I must do well. You must treat me well. And the world must be easy.

The vast majority of human beings dislike and even actually dread all notions with which they are not familiar... Hence it comes about that at their first appearance innovators have generally been persecuted, and always derided as fools and madmen.