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.

Perhaps one day tired of circling the world I'll return to Argentina and settle in the Andean lakes if not indefinitely then at least for a pause while I shift from one understanding of the world to another.

Above all, always be capable of feeling deeply any injustice committed against anyone, anywhere in the world.

The stars drew light across the night sky in that little mountain village, and the silence and the cold made the darkness vanish away. It was - I don't know how to explain it - as if everything solid melted away into the ether, eliminating all individualtiy and absorbing us, rigid, into the immense darkness. Not a single cloud to lend perspective to the space blocked any portion of the starry sky.

We will not accept any conditions from the U.S.

With a military American base in our territory, where there could be any sort of weapons, where we have to endure every kind of provocations, we have to support and endure the flights over our territory.

There are no borders in this struggle to the death. We cannot be indifferent to what happens anywhere in the world, because a victory by any country over imperialism is our victory, just as any country's defeat is a defeat for all of us.