There were some things that only time could cure. Evil men could be destroyed, but nothing could be done with good men who were deluded.

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.

I don't think you should wait. I think you should speak now.

Remembering and ForgettingYou have not forgotten to remember

We are trying to build peace by inventing new war machines

Oh it's fantastic because I get to whip people like David into shape and tell them to go get me coffee. Kidding - okay.

That's one of those hazards of an interview: You get tired of your stock answer and you try to get creative and even play devil's advocate.

No leadership, no ideas. Not even enough imagination to thump someone in the line-up when the ref wasn't looking.

Ringo isn't the best drummer in the world. He isn't even the best drummer in the Beatles

A good school teaches you resilience - that ability to bounce back.

My mum called me scatty because I could never sit still. But there was no sense I was suffering from a medical condition as such.

Don't let the company get distracted or excited about other things. A common mistake is that companies get excited by their own PR.