Indifference and neglect often do much more damage than outright dislike.

Play to your strengths." "I haven’t got any," said Harry, before he could stop himself. "Excuse me," growled Moody, "you’ve got strengths if I say you’ve got them. Think now. What are you best at?

I don't need a cloak to become invisible.

The exceptions were two men a little ahead of them, standing just outside the Three Broomsticks. One was very tall and thin; squinting through his rain-washed glasses Harry recognized the barman who worked in the other Hogsmeade pub, the Hog’s Head. As Harry, Ron, and Hermione drew closer, the barman drew his cloak more tightly around his neck and walked away, leaving the shorter man to fumble with something in his arms. They were barely feet from him when Harry realized who the man was. “Mundungus!

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.

Enjoying it? I don’t reckon he’d come home if Dad didn’t make him. He’s obsessed. Just don’t get him on the subject of his boss. According to Mr. Crouch…as I was saying to Mr. Crouch… Mr. Crouch is of the opinion… Mr. Crouch was telling me… They’ll be announcing their engagement any day now.

Pity you can't attach an extra arm to your [broom], Malfoy. Then it could catch the Snitch for you.