Son ingeniosas de verdad, las cosas que inventan los muggles para arreglárselas sin magia.

Play Quidditch at all?”
“No,” Harry said again, wondering what on earth Quidditch could be.
“I do — Father says it’s a crime if I’m not picked to play for my House, and I must say, I agree. Know what House you’ll be in yet?”
“No,” said Harry, feeling more stupid by the minute.
“Well, no one really knows until they get there, do they, but I know I’ll be in Slytherin, all our family have been — imagine being in Hufflepuff, I think I’d leave, wouldn’t you?

Muggles have garden gnomes, too, you know," Harry told Ron as they crossed the lawn.

"Yeah, I've seen those things they think are gnomes," said Ron, bent double with his head in a peony bush, "like fat little Santa Clauses with fishing rods...

If my public existence does anything worthwhile, hopefully it at least demystifies the author a bit, because I know when I was younger I felt like authors were like wizards or something. Turns out they're total muggles.

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!

He sounds exactly like Moody," said Harry quietly, tucking the letter away again inside his robes. "'Constant vigilance!' You'd think I walk around with my eyes shut, banging off the walls....