When it comes down to it, the reason that science fiction endures is that it is, at its core, an optimistic genre. What it says at the end of the day is that there is a tomorrow, we do go on, we don't extinguish ourselves and leave the planet to the cockroaches.

The whole point of Superman, as originally created, was to be the ally of those who had no other allies. It put that magnitude of power, the most powerful guy in the world, in the service of those who had no hope, no chance.

The quality of our thoughts is bordered on all sides by our facility with language.

When you walk into a movie theater, you don't walk out half-way through, and then come back the next day to watch the rest of it.

It is not for the gods to decide whether or not Man exists - it is for Man to decide whether or not the gods exist.

We are not powerless. We have tremendous potential for good or ill. How we choose to use that power is up to us; but first we must choose to use it. We're told every day, You can't change the world. But the world is changing every day. Only question is who's doing it? You or somebody else?

Understanding is a three-edged sword. Your side, my side, and the truth.