"Love is the master key that opens the gates of happiness." ― Oliver Wendell Holmes Topic(s): Happiness More From Oliver Wendell Holmes "A man is usually more careful of his money than of his principles." "Men do not quit playing because they grow old; they grow old because they quit playing." "The advice of the elders to young men is very apt to be as unreal as a list of the hundred best books." More In Happiness "But what is happiness except the simple harmony between a man and the life he leads?"― Albert Camus "Outward failure may be a manifested variant of inward success."― Kenneth L. Pike "God’s children and their happiness are my reasons for being."― Red Skelton