As we advance in life we learn the limits of our abilities.  

Life should be great rather than long.

An idea, like a ghost, must be spoken to a little before it will explain itself.

We don't know a millionth of one percent about anything.

All cartoon characters and cables must be exaggerated, caricature. It is the very nature of fantasy and fable. 

Genius is one percent inspiration and ninety-nine percent perspiration.

Religion is more than life. Remember that his own religion is the truest to every man even if it stands low in the scales of philosophical comparison.

Get up, stand up, Stand up for your rights. Get up, stand up, Don't give up the fight.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Religion is a matter of faith. Science has to face challenges at every step.

A country’s greatness lies in its undying ideals of love and sacrifice that inspire the mothers of the race.

From the beginning, Mandela and Tambo was besieged with clients. We were not the only African lawyers in South Africa, but we were the only firm of African lawyers. For Africans, we were the firm of first choice and last resort.