The successful man will profit from his mistakes and try aga... - Dale Carnegie

"Success is getting what you want. Happiness is wanting what you get."

"there is only one way under high heaven to get the best of an argument - and that is to avoid it ."

"Be wiser than other people if you can; but do not tell them so."

"Remember, happiness doesn't depend upon who you are or what you have, it depends solely upon what you think."

"It isn't 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."