Harry Learns the Power of Love and Lord Voldemort's Failure to Understand It
Pages 710-711
Dumbledore explains that Lord Voldemort failed to comprehend the power of love, loyalty, and innocence, forces stronger than any magic. Lord Voldemort's inability to value these things led to his downfall. Harry now understands that Lord Voldemort's actions unwittingly preserved Lily's protection in both himself and Lord Voldemort.
