“The Revolution means: true justice that allows men to acquire knowledge that serves for working for the benefit of others”.

“This revolution was not made by one class; it is an important fact. It was not done by one class, it was done by the youth; at least it was the youth that began the revolution and then the people gradually joined it; and after the youth, it was the peasants, these men who live off the land, away from the cities, because these were the first to come”.

“[…] whenever a man must face a challenge it is a test to him: a test of his character, a test of his will, a test of his courage as a revolutionary and as a man. And the concept of man implies the willingness to face tests and challenges.”
“Today’s society was not the natural form in which human life evolved; it was a creation of already mentally developed man, without which he couldn’t conceive of his own existence. What is being proposed is, therefore, whether the human being will be able to survive the privilege of having a creative intelligence.”
“[...]How great our people are! How invincible a just cause is! How important it is to believe in human beings! How beautiful it is to fight for great ideals! How much light and happiness can emanate from an innocent little boy as a gift to the people who were prepared to die for one of their most beloved sons!”

“We trust in humanity; we trust in man. And humanity won't let itself be annihilated. It won't let its nature, its waters, its seas, its resources be annihilated.”

“I have always lived, and I will continue to live quietly, because I know how to defend the rights of my people with dignity, as well as the honor of the small, poor and weak nations, and I have always been moved by a profound sense of justice. I am a revolutionary and I will die being one.”
“No one but he was able to interpret the depth and essence and all the value of the Marxist theory. No one but he was able to interpret that theory and see it through to the bitter end. No one but he was able to develop it and enrich it the way he did.”

“Humanity needs these kinds of answers. Humanity is growing, humanity is multiplying. What isn’t growing, however, is the earth’s surface. Humanity shall have to do  everything in its power to increase its productivity per unit of surface, make as much of the earth or its surface productive, avail itself of all natural resources, all of science’s resources, for only those who are not revolutionaries, those who haven’t the slightest notion of the potential of humanity’s intelligence and willpower, can conceive of a world in which humanity starves”.

“The future of our homeland must by necessity be a future of men of science, it must be a future of thinking men, because that is precisely what we are sowing the most;[…]”