Harry Potter (1/5): “Don’t be a fool,” snarled the face. “Better save your own life and join me … or you’ll meet the same end as your parents… . They died begging me for mercy… .”
“LIAR!” Harry shouted suddenly.
“How touching …” it hissed. “I always value bravery… . Yes, boy, your parents were brave… . I killed your father first, and he put up a courageous fight … but your mother needn’t have died … she was trying to protect you… . Now give me the Stone, unless you want her to have died in vain.”
“NEVER!”
“How come she married him?” Harry asked miserably, “She hated him!”
“Nah, she didn’t,” said Sirius.
Professor Dumbledore tells James and Lily Potter about the Prophecy

To have been loved so deeply, even though the person who loved us is gone, will give us some protection forever.”