One important key to success is self-confidence. An important key to self-confidence is preparation.

Our success educationally, industrially and politically is based upon the protection of a nation founded by ourselves. And the nation can be nowhere else but in Africa.

I owe my success to having listened respectfully to the very best advice, and then going away and doing the exact opposite.

One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

I find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.