And that's why we killed him, sir.

[John Ebony's first day teaching. The students are taking turns reading from a history book] Wittering:
[faintly]
hypotenuse... hypotenuse... hypotenuse John Ebony:
Who's that muttering? Wittering:
Me, sir. Lipstrob:
He can't help it, sir. Cuthbun:
He says 'hypotenuse' all the tiMe, sir. Ankerton:
He likes the word. Aggeridge:
Mr. Pelham said he was 'hypotenus-ed' by it, sir! [general laughter] John Ebony:
Stop it! Very well, you've had ample warning. This form will kept in on Saturday afternoon from 2:30. Cloistermouth:
It's not a good idea, sir. John Ebony:
Why is that, Cloistermouth? Cloistermouth:
Mr. Pelham tried it once, sir. Terhew:
The week before last. Cloistermouth:
And that's why we killed him, sir. [long silence]