I do not conceive of any manifestation of culture, of science, of art, as purposes in themselves. I think the purpose of science and culture is man.

In the Third World, there are 1.3 billion poor people. In other words, one out of every three inhabitants lives in poverty.

Men do not shape destiny. Destiny produces the man for the hour.

...quality of life lies in knowledge, in culture. Values are what constitute true quality of life, the supreme quality of life, even above food, shelter and clothing.

Nothing in the world is irreversible, not even capitalism.

I was a man who was lucky enough to have discovered a political theory, a man who was caught up in the whirlpool of Cuba's political crisis...; discovering Marxism...was like finding a map in the forest.

I am not a communist and neither is the revolutionary movement, but we do not have to say that we are anticommunists just to fawn on foreign powers.