The only way to define your limits is by going beyond them.

Science fiction seldom attempts to predict the future. More often than not, it tries to prevent the future.

Religion is the most malevolent of all mind viruses.

I have never grown up, but I will never stop growing.

Civilization will reach maturity only when it learns to value diversity of character and ideas.

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

Guns are the crutches of the impotent.

The only real problem in life is what to do next.

One of the great tragedies of mankind is that morality has been hijacked by religion.

The future is not to be forecast but created.

Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying.

Any sufficiently advanced technology is indistinguishable from magic.

You can never have a relationship with someone whose smell you don't like.

We won't have a society if we destroy the environment.

I learned the value of hard work by working hard.

The problem with America today is that too many people know too much about not enough.

No society that feeds its children on tales of successful violence can expect them not to believe that violence, in the end, is rewarded.

We grow up never questioning that which is unquestioned around us.

An ideal culture makes a place for every human gift.