You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.

One man with courage is a majority.

The one excellent thing that can be learned from a lion is that whatever a man intends doing should be done by him with a whole-hearted and strenuous effort.

You're never as good as everyone tells you when you win, and you're never as bad as they say when you lose.

When you arise in the morning think of what a privilege it is to be alive, to think, to enjoy, to love ...

I love those who can smile in trouble...

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

Above all things, respect yourself.

I can be changed by what happens to me. But I refuse to be reduced by it.

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.

No great discovery was ever made without a bold guess.

When you're curious, you find lots of interesting things to do.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.

I will never be by violence constrained to do anything.

I am always doing that which I can not do, in order that I may learn how to do it.

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

People throw stones at you and you convert them into milestones.

No matter what people tell you, words and ideas can change the world.

Make the most of yourself....for that is all there is of you.

For every man there exists a bait which he cannot resist swallowing.

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