Courage changes things for the better...[With courage you can] stay with something long enough to succeed at it, realizing that it usually takes two, three or four times as long to succeed as you thought or hoped.

Attitude is the reflection of a person, and our world mirrors our attitude.

Your rewards, all the years of your life, will be in precise proportion to your service. You are here to serve others, just as they serve you.

A single thought can revolutionize your life as it did mine. A single thought can make you rich or it can land you in prison for the rest of your life.

To give oneself is the only way of becoming oneself.

Get into a line that you will find to be a deep personal interest, something you really enjoy spending twelve to fifteen hours a day working at, and the rest of the time thinking about.

Every great accomplishment of mankind has been preceded by an extended period, often over many years, of concentrated effort.