When every physical and mental resource is focused, one's power to solve a problem multiplies tremendously.

Our life is what our thoughts make it.

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

Anything that makes weak - physically, intellectually and spiritually, reject it as poison.

Man who stand on hill with mouth open will wait long time for roast duck to drop in.

The only way to make sense out of change is to plunge into it, move with it and join the dance.

Find out who you are. And do it on purpose.

It's what you learn after you know it all that counts.

First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.

If you want a thing done well, do it yourself.

When you're at the end of your rope, tie a knot and hold on

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

Take things as they are. Punch when you have to punch. Kick when you have to kick.

The desire to reach for the stars is ambitious. The desire to reach hearts is wise.

I believe that if you show people the problems and you show them the solutions they will be moved to act.

We cannot do everything at once, but we can do something at once.

United we stand; divided we fall.

Out of your vulnerabilities will come your strength.

However difficult life may seem, there is always something you can do and succeed at.

A liar will not be believed even when he speaks the truth.

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