As soon as you are in a social setting, you better take away the key to the lock of your heart and pocket it; those who leave thekey in the lock are fools.

The heights charm us, but the steps do not; with the mountain in our view we love to walk the plains.

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

Do not, I beg you, look for anything behind phenomena. They are themselves their own lesson.

Man is not born to solve the problem of the universe, but to find out what he has to do; and to restrain himself within the limits of his comprehension.

The thinking person has the strange characteristic to like to create a fantasy in the place of the unsolved problem, a fantasy that stays with the person even when the problem has been solved and truth made its appearance.

How can one learn to know oneself? Never by introspection, rather by action.