"But it comes so naturally and is so often justified!"

Prof: All right, so we're going to split up tutorial groups by last names. A-F, G-McMoore, McMoore to Zoricov.
Girl: Could you write that on the board?
Prof: Yes, I guess, if you need to see the sheet you can look afterward. But I trust you all know how the say the English alphabet.

Silence.

Prof: (laughing) I didn't mean to be, uh, condescending.

-- overheard by Kate