“One day, when the revolution is triumphant in all the rest of the countries of Latin America, we shall unite with the other peoples and we shall form a community of Latin American peoples.  We need the revolution for that; we need socialism for that.”
“Such an extraordinarily beautiful revolution, like the social revolutions that brought the working class and peasants to power, and which began the road, the great and glorious road.  For that reason they will always be immortal, for that reason the youth must always look towards Marx, towards Engels, towards Lenin…” 
"We will never renounce the principles we made ours in the struggle to bring all justice to our homeland by putting an end to the exploitation of man by man, inspired by the history of mankind and by the enlightened theoreticians and promoters of a socialist system of production and distribution of wealth, the only system capable of creating a truly fair and human society Marx, Engels, and later, Lenin."
"The Revolution is the work of everyone, the Revolution is the sacrifice of everyone, the revolution is the ideal of everyone and the revolution shall be the fruit of everyone."
"Socialism, internationalism, Marxism-Leninism tells us we must struggle together.  Therefore, I believe that unity, brotherhood, solidarity, collaboration between the peoples of Angola and Cuba are an example for the world."
“The offensive of the masses and ideas unleashed in our country is something unprecedented. […] In no era, in no other location has such a battle been begun on the terrain of ideas and ethics between such a powerful country and the people of one small island found  just 90 miles away from its shores.”
“Imperialism is the one that needs weapons, since it is bereft of ideas.  In order to maintain this opprobrious system as well as all those situations that have been described here, it needs weapons; it has to maintain all those situations by resorting to the use of force.  But if there are ideas, if ideas in fact exist, we can defend those ideas; we can make those ideas to succeed.  Ideas do not require weapons as long as they are able to conquer the big masses.  Nobody should think that the contradiction between Socialism and Capitalism could be solved by force; one has t
“The past was that of colonialism and imperialism; the future belongs to humankind, to the peoples and the revolution.  And facts are proving this true in our hemisphere and elsewhere.”
“You know very well that this system, this government, this Revolution has not ever been maintained by resorting to the force of the weapons.  This Revolution has been maintained and is still maintained by the fore of its ideas and the fairness of its cause.”
“I must admit that Marx was right when he sketched out the idea that only when a truly rational, just and equitable social regime exists on this earth, will humankind have left prehistory behind.”