“Doing nothing for others is the undoing of ourselves.”

“Be ashamed to die until you have won some victory for humanity.”

“Do not think of knocking out another person's brains because he differs in opinion from you. It would be as rational to knock yourself on the head because you differ from yourself ten years ago.”

“Ignorance breeds monsters to fill up the vacancies of the soul that are unoccupied by the verities of knowledge.”

“Education...beyond all other devices of human origin, is a great equalizer of conditions of men --the balance wheel of the social machinery...It does better than to disarm the poor of their hostili...”

“Resolve to edge in a little reading every day, if it is but a single sentence. If you gain fifteen minutes a day, it will make itself felt at the end of the year.”

“Maybe if we stopped trying to achieve movie standards of greatness, we'd be happy with what we have.”

“Eh, brother, but nature has to be corrected and guided, otherwise we'd all drown in prejudices. Without that there wouldn't be even a single great man.”

“You were born with potential. You were born with goodness and trust. You were born with ideals and dreams. You were born with greatness. You were born with wings. You are not meant for crawling, so...”

“The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution.”

“The truth is rarely pure and never simple.”

“Never tell the truth to people who are not worthy of it.”