Many forms of cooperation are possible between peoples with different political concepts. One proof of that is the war against drug trafficking, organized crime and the trafficking of human beings; this can be extended to many forms of cooperation in the fight against epidemics, natural catastrophes and other problems.
Quotes
"The Empire has ruled the world through economy and deceit rather than force. At the end of WWII, it had attained the privilege of minting the convertible hard currency, the monopoly over the nuclear weapon and the possession of most of the gold in the world while it was the only large-scale producer of manufactured equipment, consumer goods, food and services worldwide."
“Cuba has proven that it is possible to fight and to resist. The US President and his advisors are wrong to carry on that sordid and contemptuous policy towards the peoples of Latin America”.
" In the past, the peoples fought and still fight with honor for a better world with more justice but today they must also fight –with no other choice—for the survival of the human species."
“There will always be in human society demagogues and opportunists who advocate easy solutions with the aim of becoming popular but those who betray ethics will have less and less possibilities of deceiving. The struggle has taught us the damage that opportunism and treason can cause”.
"(...) Israel into a Middle East gendarme, the same that today threatens a considerable portion of the world population and is capable of acting with its characteristic independence and bigotry".
"Cuba is the only country on the planet that cannot be visited by US citizens; but Cuba exists and stands firm, only 90 miles away from the United States, fighting its heroic fight. We, the Cuban revolutionaries, have committed errors, and we shall go on making mistakes, but never shall we make the mistake of being traitors."
"The duty of this new generation of revolutionary men and women is becoming an example of modest leaders, studious and tireless fighters for socialism. In the barbaric era of consumer societies, to overcome the capitalist production system that fosters and promotes selfish interests among human beings is, no doubt, a difficult challenge".
“It is not simply that the cruise missiles are pointing to some military targets in Syria, but the fact that this courageous country, located at the centre of over one billion Muslims, whose fighting spirit is proverbial, has stated it would resist any attack against its country to the end”.
“To fight for peace is the most sacred duty of all human beings, whatever their religion or country of birth may be, whatever the color of their skin, adult or adolescent”.