Severus Snape: What's this?

Harry Potter: Spare bit of parchment.

Severus Snape: Really? Open it. (Snape points his wand at the parchment) Reveal your secrets. (text appears) Read it.

Harry Potter: "Messrs. Moony, Wormtail, Padfoot, and Prongs... offer their compliments to Professor Snape and..."

Severus Snape: Go on.

Harry Potter: "And request he keep his abnormally large nose out of other people's business."