“The laws of science do not distinguish between the past and the future.”

The idea that we are alone in the universe seems to me completely implausible and arrogant, considering the number of planets and stars that we know exist, it’s extremely unlikely that we are the only form of evolved life.

Disability need not be an obstacle to success.

You cannot understand the glories of the universe without believing there is some Supreme Power behind it.

Go the extra mile. It makes your boss look like an incompetent slacker.

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

People won’t have time for you if you are always angry or complaining.

If the government is covering up knowledge of aliens, they are doing a better job of it than they do at anything else.

We waste time, so you don’t have to.

The fact that no one understands you doesn’t mean you’re an artist.

It is very important for young people keep their sense of wonder and keep asking why.

One cannot really argue with a mathematical theorem.

If at first you don’t succeed, try management.

However difficult life may seem, there is always something you can do and succeed at.

Women. They are a complete mystery.

Plagiarism saves time.

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.

Differences of habit and language are nothing at all if our aims are identical and our hearts are open.

History will judge us by the difference we make in the everyday lives of children.

It is not our differences that divide us. It is our inability to recognize, accept, and celebrate those differences.

If we’re going to fight a disease, let’s fight one of the most terrible diseases of all, indifference.

One person can make a difference, and everyone should try.

It is absurd to divide people into good and bad. People are either charming or tedious.

That the Devil finds work for idle hands to do is probably true. But there is a profound difference between leisure and idleness.

There is no point in going into a business unless you can make a radical difference in other people’s lives.