People may live as much retired from the world as they please; but sooner or later, before they are aware, they will find themselves debtor or creditor to somebody.

Self-knowledge comes from knowing other men.

First and last, what is demanded of genius is love of truth.

There is nothing outside of us that is not at the same time in us, and as the external world has its colors the eye, too, has colors.

The happiest man is the one who finds happiness at home.

Death is Nature's expert advice to get plenty of Life.

Treat people as if they were what they ought to be and you help them to become what they are capable of being.