Everybody felt his superiority, but nobody felt oppressed by it. Though he had no illusions about people and human affairs, he was full of kindness toward everybody and everything. Never did he give the impression of domineering, always of serving and helping. He was extremely conscientious, without allowing anything to assume undue importance; a subtle humor guarded him, which was reflected in his eyes and in his smile.

Even a fool is wise after an event.

The true sign of intelligence is not knowledge but imagination.

Science is the attempt to make the chaotic diversity of our sense-experience correspond to a logically uniform system of thought.

Science has gone a long way toward helping man to free himself from the burden of hard labor; yet, science itself is not a liberator. It creates means, not goals. It is up to men to utilize those means to achieve reasonable goals.

The Press, which is mostly controlled by vested interests, has an excessive influence on public opinion.

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