Words that do not match deeds are not important.

We should not go to the [poor countries] and say: 'We come to ... teach you our science, to show you your errors.' ... We should go instead with an inquiring mind and a humble spirit to learn [from] these people.

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

Guerrilla warfare is used by the side which is supported by a majority but which possesses a much smaller number of arms for use in defense against oppression.

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.

I knew that the moment the great governing spirit strikes the blow to divide all humanity into just two opposing factions, I would be on the side of the common people.

If we had to kneel in order to live in peace, [ U.S. government] will have to kill us before.