My intellectual development was retarded, as a result of which I began to wonder about space and time only when I had already grown up.

Concepts which have proved useful for ordering things easily assume so great an authority over us, that we forget their terrestrial origin and accept them as unalterable facts. They then become labeled as 'conceptual necessities,' etc. The road of scientific progress is frequently blocked for long periods by such errors.

Blind belief in authority is the greatest enemy of truth.

God always takes the simplest way.

It's no accident that capitalism has brought with it progress, not merely in production but also in knowledge. Egoism and competition are, alas, stronger forces than public spirit and sense of duty.

God Almighty does not throw dice.

Women marry men hoping they will change. Men marry women hoping they will not.