"(...) that everything that today contributes to underdevelopment and poverty is tantamount to a flagrant attack on the ecology".

"Let’s put an end to the transfer of lifestyles and consumer habits to the Third World that ruin the environment. Let human life be more rational. Let a just international economic order be implemented. Let science work toward a sustainable development without contamination".

The greatest desire of all Cuban revolutionaries is for every new generation to be better prepared for the huge challenges that the future brings for our country and all of humankind. Every minute of your lives, you must be fully aware of the great responsibility that the country and the Revolution have entrusted in you: for the moment, to study hard and fulfill your duty with honor.

"Cuba has shown it only takes justice and social development to fight drugs. In our country, the crime rate per 100,000 people is one of the lowest in the world. No other country in the hemisphere can exhibit such low rates of violence. It is known that, despite the blockade, no other country can boast our high education levels."
“We insist here that to us peace is fundamental and peace is closely linked to development. It is impossible to conceive development without peace and disarmament; and to think of peace without development would not be realistic.”

“[…] the human being, the human society are faced with the crucial necessity to advance at the same pace of the technological and scientific knowledge; the human society feels that vital necessity.”

“The sum total of all our cultures would be one enormous culture and a multiplication of our cultures.  Integration should not affect but enrich the culture of every one of our countries.”
“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.”
“the sum total of intelligence and creative capacity of all can make great miracles, those miracles that can be made by man with his efforts, his courage, his tenacity, his noble sentiments and his solidarity.”
“It is worthwhile indicating that the main responsibility for the brutal destruction of the environment lies with the consumer societies. They are the offspring of the old colonial metropolises and of imperialist policies that also begot the poverty and backwardness which are today the scourge of the overwhelming majority of humanity.”