Course Dumbledore trusts you,” growled Moody. “He’s a trusting man, isn’t he? Believes in second chances. But me — I say there are spots that don’t come off, Snape. Spots that never come off, d’you know what I mean?

My word, Severus, that I shall never reveal the best of you?’ Dumbledore sighed, looking down into Snape’s ferocious, anguished face. ‘If you insist …

Constant vigilance!

Someone creeping into his yard in the dead of night? More likely there's a very shell-shocked cat wandering somewhere, covered in potato peelings.

And do I look like the kind of man that can be intimidated?" barked Uncle Vernon.
"Well..." said Moody, pushing back his bowler hat to reveal his sinisterly revolving eye. Uncle Vernon lept backward in horror and collided painfully with a luggage trolley. "Yes, I'd have to say you do, Dursley.

I can teach you how to bewitch the mind and ensnare the senses. I can tell you how to bottle fame, brew glory, and even put a stopper in death.