One should not wish anyone disagreeable conditions of life; but for him who is involved in them by chance, they are touchstones of characters and of the most decisive value to man.

To think is easy. To act is difficult. To act as one thinks is the most difficult.

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

The man who masters himself is delivered from the force that binds all creatures.

Presents at once? That's good. He is sure to succeed.

The realization of the self is only possible if one is productive, if one can give birth to one's own potentialities.

Difficulties increase the nearer we get to the goal.