How unbearable at times are people who are happy, people for whom everything works out.

All of life and human relations have become so incomprehensibly complex that, when you think about it, it becomes terrifying and your heart stands still.

Try to be original in your play and as clever as possible; but don't be afraid to show yourself foolish; we must have freedom of thinking, and only he is an emancipated thinker who is not afraid to write foolish things.

An artist observes, selects, guesses, and synthesizes.

One must speak about serious things seriously.

If many remedies are prescribed for an illness you can be sure it has no cure

To judge between good or bad, between successful and unsuccessful would take the eye of a God.