What's certain is that a totalitarian enclave like Cuba's can't continue to exist, so change will definitely come there, eventually.
Some suggestions for you :
Hope is a feeling that life and work have meaning. You either have it or you don't, regardless of the state of the world that surrounds you.
I think it's important for one to take a certain distance from oneself.
Even a purely moral act that has no hope of any immediate and visible political effect can gradually and indirectly, over time, gain in political significance.
None of us know all the potentialities that slumber in the spirit of the population, or all the ways in which that population can surprise us when there is the right interplay of events.
Modern man must descend the spiral of his own absurdity to the lowest point; only then can he look beyond it. It is obviously impossible to get around it, jump over it, or simply avoid it.
Theater is there to search for questions. It doesn't give you instructions.
Hope is definitely not the same thing as optimism. It is not the conviction that something will turn out well, but the certainty that something makes sense, regardless of how it turns out.
Just as the constant increase of entropy is the basic law of the universe, so it is the basic law of life to be ever more highly structured and to struggle against entropy.
The tragedy of modern man is not that he knows less and less about the meaning of his own life, but that it bothers him less and less.
Hope is not the conviction that something will turn out well but the certainty that something makes sense, regardless of how it turns out.
Vision is not enough, it must be combined with venture. It is not enough to stare up the steps, we must step up the stairs.
Work for something because it is good, not just because it stands a chance to succeed.