“There are no wrong roads to anywhere.”

“I don't know of any wrong road to Dictionopolis, so if this road goes to Dictionopolis at all it must be the right road, and if it doesn't it must be the right road to somewhere else, because there are no wrong roads to anywhere. Do you think it will rain?”

“For you often learn more by being wrong for the right reasons than you do by being right for the wrong reasons.”

“You must never feel badly about making mistakes ... as long as you take the trouble to learn from them. For you often learn more by being wrong for the right reasons than you do by being right for the wrong reasons.”

“The only thing you can do easily is be wrong, and that's hardly worth the effort.”

“You'll find that the only thing you can do easily is be wrong, and that's hardly worth the effort.”

“The Mathemagician nodded knowingly and stroked his chin several times. “You’ll find,” he remarked gently, “that the only thing you can do easily is be wrong, and that’s hardly worth the effort.”