"Lumus"

"I solemnly swear I am up to not good"

You say human

I say Muggle

You say bike

I say broom

You say Coke

I say butterbeer

You say principle

I say headmaster

You say uniform

I say robes

You say basketball

I say Quidditch

You say royal

I say pureblood

All Harry Potter freaks put this on your page.

"Mischief managed"

"Nox"