The Sphinx: To learn my teachings, I must first teach you how to learn.

[...]

The Sphinx: He who questions training only trains himself at asking questions.

[...]

Mr. Furious: Okay, am I the only one who finds these sayings just a little bit formulaic? "If you want to push something down, you have to pull it up. If you want to go left, you have to go right." It's...
The Sphinx: Your temper is very quick, my friend. But until you learn to master your rage...
Mr. Furious: ...your rage will become your master? That's what you were going to say. Right? Right?
The Sphinx: Not necessarily.

[...]

[Mr. Furious tries to balance a hammer on his head]
Mr. Furious: Why am I doing this, again?
The Sphinx: When you can balance a tack hammer on your head, you will head off your foes with a balanced attack.
Mr. Furious: And why am I wearing the watermelon on my feet?
The Sphinx: [looks at the watermelon on Mr. Furious' feet] I don't remember telling you to do that.