If you're hurt, lick your wounds and get up again. If you've given it your absolute best, it's time to move forward.

I read a fair amount [of science fiction], and you know it was certainly inspirational. I have to pinch myself to think that we might be able to make some of [what I've read in science fiction books] come true.

Making the extra effort to say thanks in a genuine, personal manner goes a long way. It is pleasurable to do, and it encourages more of the same good behavior.

You can't run a business without taking risks. The brave may not live forever - but the cautious do not live at all!

I never get the accountants in before I start up a business. It's done on gut feeling, especially if I can see that they are taking the mickey out of the consumer.

So unlike having to convert, you know, all the cars' or all the lorries' petrol stations, once you've actually got the clean fuels, it's relatively easy to, you know, get it to the airplanes.

If we can just get young people to do the same as their fathers did, that is, wear condoms