That man has reached immortality who is disturbed by nothing material.

You have to not listen to the nay sayers because there will be many and often they'll be much more qualified than you and cause you to sort of doubt yourself.

The best way to supervise your men is from their reports that they make out. 

An error does not become truth by reason of multiplied propagation, nor does truth become error because nobody sees it.

I will not leave South Africa, nor will I surrender. Only through hardship, sacrifice and militant action can freedom be won. The struggle is my life. I will continue fighting for freedom until the end of my days.

Just as a candle cannot burn without fire, men cannot live without a spiritual life.

What do I think of Western civilization? I think it would be a very good idea.

I have friends in overalls whose friendship I would not sleep for the favor of the kings of the world.

A coward is incapable of exhibiting love; it is the prerogative of the brave.

Peace is its own reward.

Intellectual growth should commence at birth and cease only at death.

The pursuit of truth does not permit violence on one's opponent.