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...

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

We are what our thoughts have made us; so take care about what you think. Words are secondary. Thoughts live; they travel far.

Don't wish it were easier, wish you were better.

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

The best way to find yourself is to lose yourself in the service of others.

Your talent determines what you can do. Your motivation determines how much you are willing to do. Your attitude determines how well you do it.

No great discovery was ever made without a bold guess.

You can chain me, you can torture me, you can even destroy this body, but you will never imprison my mind.

All thinking men are atheists.

Change the way you look at things and the things you look at change.

Dare to be free, dare to go as far as your thought leads, and dare to carry that out in your life.

Truth can be stated in a thousand different ways, yet each one can be true.

My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style

The world is the great gymnasium where we come to make ourselves strong.

If my life is going to mean anything, I have to live it myself.

Don't find fault, find a remedy; anybody can complain

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

You can't build a reputation on what you are going to do.

To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.

I don’t think we are going to become extinct. We are very clever and very resourceful.