The ultimate authority must always rest with the individual's own reason and critical analysis.

Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

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

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

Even a mistake may turn out to be the one thing necessary to a worthwhile achievement. 

I want it said of me by those who knew me best, that I always pluck a thistle and planted a flower where I thought a flower would grow.

It's not the tools that you have faith in - tools are just tools. They work, or they don't work. It's people you have faith in or not. Yeah, sure, I'm still optimistic I mean, I get pessimistic sometimes but not for long.

Me is a common sense men. That mean when me explain things, me explain it in a very simple way; that mean if I explain it to a baby, the baby will understand to, you know.

I dream of the realization of the unity of Africa, whereby its leaders combine in their efforts to solve the problems of this continent. I dream of our vast deserts, of our forests, of all our great wildernesses.

Before everything else, getting ready is the secret of success. 
colour - so long as it's black. 

Isn't it strange that I who have written only unpopular books should be such a popular fellow?

Rain can be a boon or a curse depending upon its timing.