Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.

Don't stop chasing your dreams, because dreams do come true.

No great discovery was ever made without a bold guess.

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

People don't realize how a man's whole life can be changed by one book.

Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

I am the lizard king. I can do anything.

If you don't like something, change it. If you can't change it, change your attitude. Don't complain.

Keep your face to the sunshine and you will never see the shadow.

The people who were trying to make this world worse are not taking the day off. Why should I?

I'd rather be hated for who I am, than loved for who I am not.

Our greatest glory is not in never falling but in rising every time we fall.

Any book that helps a child to form a habit of reading, to make reading one of his deep and continuing needs, is good for him.

Be happy, but never satisfied.

Be not ashamed women, ... You are the gates of the body, and you are the gates of the soul.

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

If my mind can conceive it, and my heart can believe it - then I can achieve it.

You can't learn in school what the world is going to do next year.

Whatever you are, be a good one.

When I go, God's going to have to give up his favourite chair.

There is only one corner of the universe you can be certain of improving, and that's your own self.