I had a project for my life which involved 10 years of wandering, then some years of medical studies and, if any time was left, the great adventure of physics.

Cruel leaders are replaced only to have new leaders turn cruel.

How easy it is to govern when one follows a system of consulting the will of the people and one holds as the only norm all the actions which contribute to the well being of the people.

I am one of those people who believes that the solution to the world's problems is to be found behind the Iron Curtain.

I know you are here to kill me. Shoot, coward, you are only going to kill a man.

A political event was that I met Fidel Castro, the Cuban revolutionary. He is a young, intelligent guy, very sure of himself and extraordinarily audacious; I think we hit it off well.

I don't care if I fall as long as someone else picks up my gun and keeps on shooting.

It is unnecessary to say that Fidel Castro possesses the high qualities of a fighter and statesman: our path, our struggle, and our triumph we owed to his vision.

It is important to emphasize that guerrilla warfare is a war of the masses, a war of the people. The guerrilla band is an armed nucleus, the fighting vanguard of the people. It draws its great force from the mass of the people themselves.

If you tremble with indignation at every injustice, then you are a comrade of mine.