Leadership means making tough decisions today that will benefit everyone tomorrow.
A belief is like a guillotine, just as heavy, just as light.
I'm not gonna be one of those people who has to look back and say, 'I should have done that.'
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.