The person who failed often knows how to avoid future failures. The person who knows only success can be more oblivious to all the pitfalls.
Randy PauschI was trying to put myself in a bottle that would one day wash up on the beach for my children. If I were a painter, I would have painted for them. If I were a musician, I would have composed music. But I am a lecturer. So I lectured.
Randy Pausch