When you do the things you need to do when you need to do them, the day will come when you can do the things you want to do when you want to do them.

Motivation is the fuel, necessary to keep the human engine running.

Motivation gets you going and habit gets you there.

Your attitude, not your aptitude, will determine your altitude.

Remember that failure is an event, not a person.

There is no elevator to success. You have to take the stairs.

You don't have to be great to start, but you have to start to be great

When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.

Until you are happy with who you are, you will never be happy with what you have.

F-E-A-R has two meanings: 'Forget Everything And Run' or 'Face Everything And Rise.' The choice is yours.

There is no elevator to success, you have to take the stairs.

Belief is both a marvelous and a terrible thing. Belief makes things real.

Except when it comes to Mom. She is, and always has been, the driving force in this family. And sometimes that means driving us head-on, no possible change of course, into a wall.

America was the worst place in the world in which to fail, fall sick, get old or die, because then your problems had crystallised into the unforgivable sin. Failure.

He who never ventures beyond actuality will never win the prize of truth.

The studio and road both have their charms. The studio allows me to be a mad scientist and the tour lets me feel like James Bond.

I am better now. Word of honour: I am better now.

Success doesn't bring happiness. Only material stuff like money, cars and iPods can do that. And I've already got all that. So I have to find other ways to amuse myself.

By the data to date, there is only one animal in the Galaxy dangerous to man -- man himself. So he must supply his own indispensable competition. He has no enemy to help him.

I've earned all these years on my face. I don't want to be a liar if in five or 10 years I do get some Botox, but needles in the face scare me, so I don't really know if I am ever going to do that.

All the men in my family were bearded, and most of the women.