Practice does not make perfect. Perfect practice makes perfect.

Tell the audience what you're going to say, say it; then tell them what you've said.

To know what people really think, pay regard to what they do, rather than what they say.

Advertising is legalized lying.

It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there

Get around people who have something of value to share with you. Their impact will continue to have a significant effect on your life long they have departed.

Sell a man a fish, he eats for a day, teach a man how to fish, you ruin a wonderful business opportunity.

I am easily satisfied with the very best.

The best way to destroy an enemy is to make him a friend.

Thinking is the hardest work there is, which is probably the reason so few engage in it.

Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.

I do know that when I am 60, I should be attempting to achieve different personal goals than those which had priority at age 20.

One must be sane to think clearly, but one can think deeply and be quite insane.

Purity, patience, and perseverance are the three essentials to success and, above all, love.

If you treat people right they will treat you right - ninety percent of the time.

True progress quietly and persistently moves along without notice.

Success is having a flair for the thing that you are doing, knowing that is not enough, that you have got to have hard work and a sense of purpose.

A creative man is motivated by the desire to achieve, not by the desire to beat others.

Work does not kill a man, it is worry, irregularity and uncertainty that kill.

The whole secret of a successful life is to find out what is one's destiny to do, and then do it.

Our greatest glory is not in never failing, but in rising up every time we fail.