Famous Quotes in History by Dale Carnegie - 1

If you can't sleep, then get up and do something instead of lying there worrying. It's the worry that gets you, not the lack of sleep. - Dale Carnegie

It is not what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about. - Dale Carnegie

The first half of life consists of the capacity to enjoy without the chance; the last half consists of the chance without the capacity.

You can find more quotations like this one in the Mark Twain category.