The sum which two married people owe to one another defies calculation. It is an infinite debt, which can only be discharged through all eternity.

A rainbow which lasts for a quarter of an hour is looked at no longer.

He who cannot love must learn to flatter.

What do people mean when they talk about unhappiness? It is not so much unhappiness as impatience that from time to time possesses men, and then they choose to call themselves miserable.

The flowers are full of honey, but only the bee finds out the sweetness.

Science has been seriously retarded by the study of what is not worth knowing and of what is not knowable.

Boldness has power, magic and genius in it.