“For to be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.” — Nelson Mandela · Long Walk to Freedom, 1994
“It always seems impossible until it's done.” — Nelson Mandela · widely attributed, various speeches post-1990
“The greatest glory in living lies not in never falling, but in rising every time we fall.” — Nelson Mandela · widely attributed