To love somebody is not just a strong feeling - it is a decision, it is a judgment, it is a promise.

Men are born equal but they are also born different.

Only the person who has faith in himself is able to be faithful to others.

There is no meaning to life except the meaning man gives his life by the unfolding of his powers.

Productive work, love and thought are possible only if a person can be, when necessary, quiet and alone. To be able to listen to oneself is the necessary condition for relating oneself to others.

The state of sleep is a state of freedom in which man is not occupied with the manipulation of the outside world.

Who will tell whether one happy moment of love or the joy of breathing or walking on a bright morning and smelling the fresh air, is not worth all the suffering and effort which life implies.