Without a humble but reasonable confidence in your own powers you cannot be successful or happy.

The best of artists has no conception that the marble alone does not contain within itself.

We don't know a millionth of one percent about anything.

Dictionary is the only place that success comes before work. Hard work is the price we must pay for success. I think you can accomplish anything if you're willing to pay the price.

If you think of yourselves as helpless and ineffectual, it is certain that you will create a despotic government to be your master. The wise despot, therefore, maintains among his subjects a popular sense that they are helpless and ineffectual.

Anticipate the difficult by managing the easy

Good things happen to those who hustle.

A good objective of leadership is to help those who are doing poorly to do well and to help those who are doing well to do even better.

What I cannot create, I do not understand.

Practice does not make perfect. Perfect practice makes perfect.

Old Professors never die, they just lose their faculties.

Without work, all life goes rotten, but when work is soulless, life stifles and dies.

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.

Be interesting, be enthusiastic... and don't talk too much.

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

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

The major reason for setting a goal is for what it makes of you to accomplish it. What it makes of you will always be the far greater value than what you get.

He who will not economize will have to agonize.

Let others lead small lives, but not you. Let others argue over small things, but not you. Let others cry over small hurts, but not you. Let others leave their future in someone else's hands, but not you.

Please all, and you will please none.

God sells us all things at the price of labor.