"In order to win a man to a particular truth, it is necessary to find him where he is and to begin there."

"The most dreadful thing that can happen to a man is to become a number."

"Life can only be understood backwards; but it must be lived forwards."

"The most tremendous energy of which the world is capable is the spiritual energy of a man who is in despair."

"Above all, do not lose your desire to walk: every day I walk myself into a state of well-being and walk away from every illness. I have walked myself into my best thoughts, and I know of no thought so…"