Weakness of attitude becomes weakness of character.

They alone live, who live for others.

Man needs his difficulties because they are necessary to enjoy success.

I do not care so much what I am to others as I care what I am to myself.

You need a little bit of insanity to do great things.

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

You have power over your mind - not outside events. Realize this, and you will find strength.

A bird doesn't sing because it has an answer, it sings because it has a song.

I may not have gone where I intended to go, but I think I have ended up where I needed to be.

The greatest thing in the world is to know how to belong to oneself.

Never stand begging for what one has the power to earn.

Freedom from the desire for an answer is essential to the understanding of a problem.

I wouldn't say I was the best manager in the business. But I was in the top one.

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

Happiness depends more on the inward disposition of mind than on outward circumstances.

To succeed in your mission, you must have single-minded devotion to your goal.

Truth is like the sun. You can shut it out for a time, but it ain't goin' away.

To attain the impossible, one must attempt the absurd.

I know in my heart that man is good, that what is right will always eventually triumph, and there is purpose and worth to each and every life.

The men who have succeeded are men who have chosen one line and stuck to it.

Our life is what our thoughts make it.