Always bear in mind that your own resolution to succeed is more important than any other.

Your most unhappy customers are your greatest source of learning.

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

But Marge, what if we chose the wrong religion? Each week we just make God madder and madder.

No man needs sympathy because he has to work, because he has a burden to carry. Far and away the best prize that life offers is the chance to work hard at work worth doing.

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.

To solve any problem, here are three questions to ask yourself: First, what could I do? Second, what could I read? And third, who could I ask?

The finest task for an Engineer – to survey, to plan, to suggest resources and material, assemble them for task in hand, implement and produce results.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

Make the lie big, make it simple, keep saying it, and eventually they will believe it

The way to screw up somebody's life is to give them what they want.

To copy others is necessary, but to copy oneself is pathetic

I hope that I may always desire more than I can accomplish.

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

What I cannot create, I do not understand.

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

I've always thought anyone can make money. Making a life worth living, that's the real test.

The secret of success in life is for a man to be ready for his opportunity when it comes.

Well done is better than well said.

The role of the artist is to ask questions, not answer them.