The man with insight enough to admit his limitations comes nearest to perfection.

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.

He who possesses science and art, Possesses religion as well; He who possesses neither of these, Had better have religion.

Mere curiosity adds wings to every step.

Few are open to conviction, but the majority of men are open to persuasion

What is hardest of all? That which seems most simple: to see with your eyes what is before your eyes.

The modern age has a false sense of superiority, because of the great mass of data at its disposal. But the valid criterion of distinction is rather the extent to which man knows how to form and master the material at his command.