Why are you worrying about YOU-KNOW-WHO, when you should be worrying about YOU-NO-POO? The constipation sensation that's gripping the nation!

Power was my weakness and my temptation. And Miguel Sano is very tempting. But he is not weak. He is very, very strong.

Giggling should be made illegal.

We Slytherins are brave, yes, but not stupid. For instance, given the choice, we will always choose to save our own necks.

The inner eye does not see upon command.

Be ruthless about protecting writing days, i.e., do not cave in to endless requests to have "essential" and "long overdue" meetings on those days. The funny thing is that, although writing has been my actual job for several years now, I still seem to have to fight for time in which to do it. Some people do not seem to grasp that I still have to sit down in peace and write the books, apparently believing that they pop up like mushrooms without my connivance. I must therefore guard the time allotted to writing as a Hungarian Horntail guards its firstborn egg.

We teachers are rather good at magic, you know.