Thought for the Weekend

"To laugh often and much; to win the respect of intelligent people and the affection of children; to earn the appreciation of critics and endure the betrayal of false friends; to appreciate beauty, to find the best in others, to leave the world a bit better, whether by a healthy child, a garden patch or a redeemed social condition; to know even one live has breathed easier because you have lived. This is to have succeeded."

Who said this famous quote about success?