Never have ideas about children, and never have ideas for them.

How could you communicate with the future? It was impossible. Either the future would resemble the present in which case it would not listen to him, or it would be different from it, and his predicament would be meaningless.

People invent new machines and improve existing ones almost unconsciously, rather as a Somnambulist will go walking in his sleep. The interesting puzzle in our times is that we so willingly sleepwalk through the process of reconstituting the conditions of human existence.

The aim of a joke is not to degrade the human being, but to remind him that he is already degraded.

"A minority of one"... the definition of insanity.

It is one of the tragedies of the half-educated that they develop late, when they are already committed to some wrong way of life.

To see what is in front of one’s nose needs a constant struggle.