These girls... they're going to kill me, Harry.

She was on edge, feeling that she might snap or cry at the smallest provocation.

How come the Muggles don’t hear the bus?” said Harry. “Them!” said Stan contemptuously. “Don’ listen properly, do they? Don’ look properly either. Never notice nuffink, they don’.

I've often met people who are terrified, you know, in a straight jacket of their own making because they'd rather do anything that fail. They don't want to try for fear of failing.

One more lesson like that and I might just do a Weasley.

Be ruthless about protecting writing days.

You are here to learn the subtle science and exact art of potion-making. As there is little foolish wand-waving here, many of you will hardly believe this is magic. I don't expect you will really understand the beauty of the softly simmering cauldron with its shimmering fumes, the delicate power of liquids that creep through human veins, bewitching the mind, ensnaring the senses. . . I can teach you how to bottle fame, brew glory, even stopper death — if you aren't as big a bunch of dunderheads as I usually have to teach.