Who said "I won't compromise my principles."?

This quote is attributed to Hermione Granger.

I won't compromise my principles. - Hermione Granger

"I won't compromise my principles."

Hermione Granger

"I do hope you're planning to die, Harry, because if not, you're heading straight for a Muggle hospital."

"It's not who you are underneath, but what you do that defines you."

"Fear of a name only increases fear of the thing itself."

"Books are a uniquely portable magic."