It's not whether you got knocked down; it's whether you get back up.

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

I would prefer even to fail with honor than win by cheating.

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

If the little bit you have is nothing special in itself, at least find a way of saying it that is a little bit special.

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.

When everything seems to be going against you, remember that the airplane takes off against the wind, not with it ....

Motivation is what gets you started. Habit is what keeps you going.

Stop acting so small. You are the universe in ecstatic motion.

If you put off everything till you're sure of it, you'll never get anything done.

Why live an ordinary life, when you can live an extraordinary one.

I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'.

We are all in the gutter, but some of us are looking at the stars.

When I was in college, I wanted to be involved in things that would change the world.

I have always found that mercy bears richer fruits than strict justice.

The crisis of today is the joke of tomorrow.

I long to accomplish a great and noble task; but it is my chief duty to accomplish small tasks as if they were great and noble

If you can dream it, you can do it.

If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.

Some people don't like change, but you need to embrace change if the alternative is disaster.

A goal is not always meant to be reached, it often serves simply as something to aim at.