To live is not merely to breathe; it is to act, to make use of our organs, senses, faculties — of all those parts of ourselves which give us the feeling of existence.
The person who has lived the most is not the one who has lived the longest, but the one with the richest experiences.
Patience is bitter, but its fruit is sweet.
The first principle is that you must not fool yourself — and you are the easiest person to fool.
Above all, don't lie to yourself. The man who lies to himself and listens to his own lie comes to a point that he cannot distinguish the truth within him, or around him, and so loses all respect for himself and for others.
If you do not tell the truth about yourself you cannot tell it about other people.