When you believe in a thing, believe in it all the way, implicitly and unquestionable.
What seems like nothing in the eyes of the world, when properly valued and put to use, can be among the greatest riches.
The best revenge is massive success.
I only hope that we never lose sight of one thing, that it was all started by a mouse.
When we look out into space, we are looking into our own origins, because we are truly children of the stars.
Racism is still with us. But it is up to us to prepare our children for what they have to meet, and, hopefully, we shall overcome.
I may not have gone where I intended to go, but I think I have ended up where I needed to be.
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
True friends stab you in the front.
Man is a tool-using Animal. Nowhere do you find him without tools; without tools he is nothing, with tools he is all.