Amber

“Mr. Moony presents his compliments to Professor Snape, and begs him to keep his abnormally large nose out of other people's business.
Mr. Prongs agrees with Mr. Moony, and would like to add that Professor Snape is an ugly git.
Mr. Padfoot would like to register his astonishment that an idiot like that ever became a professor.
Mr. Wormtail bids Professor Snape good day, and advises him to wash his hair, the slimeball.”
― J.K. Rowling, Harry Potter and the Prisoner of Azkaban

“Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory.”
― J.K. Rowling, Harry Potter and the Goblet of Fire

“It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.”
― J.K. Rowling, Harry Potter and the Sorcerer's Stone

“It is our choices, Harry, that show what we truly are, far more than our abilities.”
― J.K. Rowling, Harry Potter and the Chamber of Secrets