“Back of every mistaken venture and defeat is the laughter of wisdom, if you listen.”– Carl Sandburg Related Quotes “Wisdom is not wisdom when it is derived from books alone.”– Horace “Never does nature say one thing and wisdom another.”– Juvenal “You have to find out what’s right for you, so it’s trial and error. You are going to be all right if you accept realistic goals for yourself.”– Teri Garr