Go out as far as you can go and start from there

All our thinking is of this nature, a free play with concepts.

If a man aspires towards a righteous life, his first act of abstinence is from injury to animals.

Germany had the misfortune of becoming poisoned, first because of plenty, and then because of want.

A happy man is too satisfied with the present to dwell too much on the future.

It was, of course, a lie what you read about my religious convictions, a lie which is being systematically repeated. I do not believe in a personal God and I have never denied this but have expressed it clearly. If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.

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