No matter how much cats fight, there always seem to be plenty of kittens.

A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty. 

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.

It is better to travel well than to arrive.

Truth can be stated in a thousand different ways, yet each one can be true.

I cannot discover that anyone knows enough to say definitely what is and what is not possible. 

When you are winning a war almost everything that happens can be claimed to be right and wise. 

Yes, we've still got more work to do. More work to do for every American still in need of a good job or a raise, paid leave or a decent retirement; for every child who needs a sturdier ladder out of poverty or a world-class education; for everyone who has not yet felt the progress of these past seven and a half years.

Sometimes, success depends upon what you do after failure.

I do all the evil I can before I learn to shun it? Is it not enough to know the evil toh shun it? If not, we should be sincere enough to admit that we love evil too well to give it up.

A principle is the expression of perfection, and as imperfect beings like us cannot practice perfection, we revise every moment limits of its compromise in practice.

Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.