“It matters if you just don’t give up.”

Time travel may be possible, but it is not practical.

Science is not only a disciple of reason but, also, one of romance and passion.

We are all now connected by the Internet, like neurons in a giant brain.

One can’t prove that God doesn’t exist. But science makes God unnecessary. The laws of physics can explain the universe without the need for a creator.

I have experimental evidence that time travel is not possible.

Science can explain the universe without the need for a Creator.

I believe everyone should have a broad picture of how the universe operates and our place in it. It is a basic human desire. And it also puts our worries in perspective.

I like physics, but I love cartoons.

One is always a long way from solving a problem until one actually has the answer.

If you are lucky enough to find love, remember it is there and don’t throw it away.

When something is made idiot proof, they will just make better idiots.

Scientific discovery may not be better than sex, but the satisfaction lasts longer.

We only have to look at ourselves to see how intelligent life might develop into something we wouldn’t want to meet.

Intelligence is the ability to adapt to change.

What I meant by ‘we would know the mind of God’ is, we would know everything that God would know, if there were a God. Which there isn’t. I’m an atheist.

Time and space are finite in extent, but they don’t have any boundary or edge. They would be like the surface of the earth, but with two more dimensions.

But I do believe that a woman’s truest place is in a home, with a husband and with children, and with large freedom, pecuniary freedom, personal freedom, and the right to vote

You are not realistic unless you believe in miracles!

I don’t know if I believe in luck. I think I’m very fortunate.

when pain has been intertwined with love and closeness, it’s very difficult to believe that love and closeness can be experienced without pain.

By the year 2000 we will, I hope, raise our children to believe in human potential, not God.

I’m just a believer in keeping all of the creative brain cells moving and working even when you’re not working because the inevitable loneliness and boring drought in the actor’s world, it can eat you alive.

Do not believe that you alone can be right.The man who thinks that,The man who maintains that only he has the power To reason correctly, the gift to speak, the soul-A man like that, when you know him, turns out empty.

Imagining anything is the first step toward creating it. Believing in a true self is what allows a true self to be born.