The good is, like nature, an immense landscape in which man advances through centuries of exploration.

The tapestry of history that seems so full of tragedy when viewed from the front has countless comic scenes woven into its reverse side. In truth, tragedy and comedy are the twin masks of history - its mass appeal.

Man in a word has no nature; what he has... is history.

I am I plus my circumstances.

Since love is the most delicate and total act of a soul, it will reflect the state and nature of the soul.

An 'unemployed' existence is a worse negation of life than death itself.

The man who discovers a new scientific truth has previously had to smash to atoms almost everything he had learnt, and arrives at the new truth with hands blood stained from the slaughter of a thousand platitudes.