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

I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.

Life is 10 percent what happens to you and ninety percent how you respond to it.

Don't complain about the snow on your neighbor's roof when your own doorstep is unclean.

Winning isn't everything but wanting to win is.

In essence, if we want to direct our lives, we must take control of our consistent actions. It's not what we do once in a while that shapes our lives, but what we do consistently.

Cultivate your curves - they may be dangerous but they won't be avoided.

A man may die, nations may rise and fall, but an idea lives on.

Self-confidence is the first requisite to great undertakings.

The key to immortality is first living a life worth remembering.

A man can't soar too high, when he flies with his own wings.

Be miserable. Or motivate yourself. Whatever has to be done, it's always your choice.

The starting point of all achievement is desire. Keep this constantly in mind. Weak desires bring weak results, just as a small amount of fire makes a small amount of heat.

My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.

I don't care what people think or say about me, I know who I am.

Do not let it be your aim to be something, but to be someone.

Only in the darkness, you are able to see the stars.

A bird doesn't sing because it has an answer, it sings because it has a song.

It's all to do with the training: you can do a lot if you're properly trained.

I will take fate by the throat; it will never bend me completely to its will.

I don’t think we are going to become extinct. We are very clever and very resourceful.