L. Frank Baum quotes - page 5
Well, how do you like him?" asked Sacho, with a laugh.
"We hate him!" declared Trot, emphatically.
"Of course you do," replied Sacho. "But, you're wasting time hating anything. It doesn't do you any good, or him any harm. Can you sing?"
"A little," said Trot; "but I don't feel like singing now."
"You're wrong about that," the boy asserted. "Anything that keeps you from singing is foolishness, unless it's laughter. Laughter, joy and song are the only good things in the world.
L. Frank Baum