I'm sorry I wrote you such a long letter; I didn't have time to write a short one.

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.

After climbing a great hill, one only finds that there are many more hills to climb.

He who is not courageous enough to take risks will accomplish nothing in life

What's the world's greatest lie?... It's this: that at a certain point in our lives, we lose control of what's happening to us, and our lives become controlled by fate.

I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.

A long apprenticeship is the most logical way to success. The only alternative is overnight stardom, but I can't give you a formula for that.

Doing what you love is the cornerstone of having abundance in your life.

My optimism wears heavy boots and is loud.

I may have had a lot of luck in my life, but I still need to find a challenge in the game.

Impossible is a word to be found only in the dictionary of fools.

I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.

Great things are not done by impulse, but by a series of small things brought together.

Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

You are not here merely to make a living. You are here in order to enable the world to live more amply, with greater vision, with a finer spirit of hope and achievement. You are here to enrich the world, and to impoverish yourself if you forget the errand.

In life, you need either inspiration or desperation.

Change your thoughts and you change your world.

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

As long as I'm in great shape, nobody beats me, for sure.

We could all take a lesson from crayons: some are sharp, some are beautiful, some have weird names, and all are different colors, but they still learn to live in the same box...

Be yourself, let you come through.