Everything can be summed up into an equation.

The substitute for knowledge is money.

I was encouraged to hear that GM has made great progress on the hydrogen car.

I'm not a standup, but I play one on TV.

Do not crush the flowers of wisdom with the hobnail boots of cynicism.

We shall not lightly talk about sacrifice until we are driven to the last extremity which makes sacrifice inevitable.

Beautiful coquettes are quacks of love.

Know, my son, that the enemy will always be with you. He will be in the shadow of your dreams and in your living flesh, for he is the other part of yourself.

I don’t know if this is statistically right, but I’m assuming I have the most Grammys of anyone my age, but I haven’t won one against a white person.

What I love about collaborating is that you're working with other minds that work differently to yours.

The true measure of greatness of a human being is their ability to express love in relationship.