The wizards represent all that the true 'muggle' most fears: They are plainly outcasts and comfortable with being so. Nothing is more unnerving to the truly conventional than the unashamed misfit!

Like a tongue on frozen steel, like flesh in flame —

The mind is a complex and many-layered thing, Potter... or at least, most minds are.

Brains like that, you could be a Death Eater, son.

His hand closed automatically around the fake Horcrux but in spite of everything, in spite of the dark and twisting path he saw stretching ahead for himself, in spite of the final meeting with Voldemort he knew must come whether in a month in a year or in ten, he felt his heart lift at the thought that there was still one last golden day of peace left to enjoy with Ron and Hermione.

Karakarof spat onto the ground at Dumbledore's feet. In one swift movement, Hagrid seized the front of Karkaroff's furs, lifted him into the air, and slammed him against a nearby tree.

I was just sitting on the train, just staring out the window at some cows. It was not the most inspiring subject. When all of a sudden the idea of Harry just appeared in my mind's eye.