When one has to ask, "Am I really in love?" the answer is always "No".

The limits of the possible can only be defined by going beyond them into the impossible.

I don't believe in astrology; I'm a Sagittarius and we're skeptical.

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

The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.

The moon is the first milestone on the road to the stars.

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

Any sufficiently advanced technology is indistinguishable from magic.

There is hopeful symbolism in the fact that flags do not wave in a vacuum.

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

Until we get rid of religion, we won't be able to conduct the search for God.

Wisdom. . .is knowing what you have to accept.

In order to fall asleep we must first close our eyes and pretend to be sleeping. Can the same be true for happiness and success?

Those very habits promoting emotional distance keep us from experiencing the love we so desperately long for and the love we are meant to give away.

We humans are such complicated and confused beings that we call the animals beasts.

The time will come when men such as I will look upon the murder of animals as they now look on the murder of men.

If someone like this were to like me, to like my comedy, and to like the way I conduct myself professionally, it would mean that I suck as a person.

The challenge of power is how to use it and not abuse it. When you abuse it, it reverses on you and it hurts you.

I don't mind being black. I'm black out loud. It's more than the people that they are, it's the condition that they represent.

I believe in opportunity and the power of reason to seize upon it.

A peace is of the nature of a conquest; for then both parties nobly are subdued, and neither party loser.