Good evening, Amycus," said Dumbledore calmly, as though welcoming the man to a tea party. "And you've brought Alecto too....Charming..."
The woman gave an angry little titter. "Think your little jokes'll help you on your deathbed then?" she jeered.
"Jokes? No, no, these are manners," replied Dumbledore.

Author: J.K. Rowling