“It does not do to focus on dreams and ignore reality.” Professor Dumbledore to Harry sitting before the Mirror of Aristead in Harry Potter and the Sorcerer’s Stone.
“It is not our abilities that define us. It is our choices.” Professor Dumbledore to Harry right after Harry’s success in Harry Potter and the Chamber of Secrets.
“We’ve all got light and dark in us … what matters is which we choose to act on.” Sirius Black to Harry in Harry Potter and the Order of the Phoenix.
“You’ll never know love or friendship. I feel sorry for you.” Harry to Lord Voldemort/Tom Riddle when Voldemort tries to possess Harry in Harry Potter and the Order of the Phoenix.