Live as if you were to die tomorrow. Learn as if you were to live forever.

The limits of the possible can only be defined by going beyond them into the impossible.

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.

The starting point of all achievement is desire.

My dear friend, clear your mind of cant.

When written in Chinese, the word 'crisis' is composed of two characters. One represents danger, the other opportunity.

Some people feel the rain. Others just get wet.

We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty.

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

Wanting to be someone else is a waste of who you are

Whatever you do will be insignificant, but it is very important that you do it.

Your pain is the breaking of the shell that encloses your understanding.

Only the wisest and stupidest of men never change.

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

Always do what is right. It will gratify half of mankind and astound the other.

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

Weakness of attitude becomes weakness of character.

Every problem has in it the seeds of its own solution. If you don't have any problems, you don't get any seeds.

When it comes down to it, I let them think what they want. If they care enough to bother with what I do, then I'm already better than them.

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

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.