The past is a foreign country; they do things differently there.

Every moment of one's existence one is growing into more or retreating into less.

Science is a collaborative effort. No one makes discoveries alone.

I race to win. If I am on the bike or in a car it will always be the same.

The vision of a champion is someone who is bent over, drenched in sweat, at the point of exhaustion when no one else is watching.

The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.