Foundation, Isaac Asimov.

“Then what of the future?

Mallow lifted his gloomy face, and exclaimed fiercely, “What business of mine is the future? No doubt Seldon has foreseen it and prepared against it. There will be other crisis in the time to come when money power has become as dead a force as religion is now.  Let my successors solve those new problems, as I have solved the one of today.”