“There is no prescribed route to follow to arrive at a new idea. You have to make the intuitive leap.”

We have made remarkable progress in the last hundred years, but if we want to continue, our future is in space.

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.

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

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.

The average man does not get pleasure out of an idea because he thinks it is true; he thinks it is true because he gets pleasure out of it.

We all know your idea is crazy. The question is whether it is crazy enough.

And I love the idea of spending the whole day in bed with my lover.

But I must confess I am jealous of the term atom; for though it is very easy to talk of atoms, it is very difficult to form a clear idea of their nature, especially when compounded bodies are under consideration.

When in doubt, I choose love above any particular ideas offered to me about faith.

The idea behind digital computers may be explained by saying that these machines are intended to carry out any operations which could be done by a human computer.

Free speech, free press, free religion, the right of free assembly, yes, the right of petition. Well, they are still radical ideas.

Football is about joy. It’s about dribbling. I favour every idea that makes the game beautiful. Every good idea has to last.