“Only free men can negotiate; prisoners cannot enter into contracts. Your freedom and mine cannot be separated.”

“Difficulties break some men but make others. No axe is sharp enough to cut the soul of a sinner who keeps on trying, one armed with the hope that he will rise even in the end.”

“Like slavery and apartheid, poverty is not natural. It is man-made and it can be overcome and eradicated by the actions of human beings. Overcoming poverty is not a gesture of charity. It is an act of justice.”

“What counts in life is not the mere fact that we have lived. It is what difference we have made to the lives of others that will determine the significance of the life we lead.”

“If you want to make peace with your enemy, you have to work with your enemy. Then he becomes your partner.”

“A good head and a good heart are always a formidable combination.”

“A happy life consists not in the absence, but in the mastery of hardships.”

“No doubt the reason is that character cannot be developed in ease and quiet. Only through experience of trial and suffering can the soul be strengthened, vision cleared, ambition inspired, and success achieved.”

“Believe, when you are most unhappy, that there is something for you to do in the world. So long as you can sweeten another's pain, life is not in vain.”

“You gain strength, courage, and confidence by every experience in which you really stop to look fear in the face. You are able to say to yourself, 'I have lived through this horror. I can take the next thing that comes along.' You must do the thing you think you cannot do.”

“You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.”

“Strength does not come from physical capacity. It comes from an indomitable will.”