"It is defeat that turns bone to flints; it is defeat that turns gristle to muscle; it is defeat that makes men invincible." -by Henry Howard Beecher
Manny Pacquiao once said that he hate being defeated because the people lose their appreciation for him. That's why with every fight that he have, he give his all.
The author of "Chicken soup for the soul" many times was turned down by publishers but when he got his book published, it was a best seller.