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 (which would satisfy his scientific obligation), he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed. Man ceases to be the slave and tool of his environment and converts himself into the architect of his own destiny.

The desire to sacrifice an entire lifetime to the noblest of ideals serves no purpose if one works alone.

Many will call me an adventurer - and that I am, only one of a different sort: one of those who risks his skin to prove his truths.

Youth should learn to think and act as a mass. It is criminal to think as individuals!

Why does the guerrilla fighter fight? We must come to the inevitable conclusion that the guerrilla fighter is a social reformer, that he takes up arms responding to the angry protest of the people against their oppressors, and that he fights in order to change the social system that keeps all his unarmed brothers in ignominy and misery.

And then many things became very clear... we learned perfectly that the life of a single human being is worth millions of times more than all the property of the richest man on earth.

We have a lot of friends, but not among the governments - the friends are in the peoples. And in the last instance the peoples will be the rulers of those states.