Your mother died to save you. If there is one thing Voldemort cannot understand, it is love. Love as powerful as your mother's for you leaves it's own mark. To have been loved so deeply, even though the person who loved us is gone, will give us some protection forever.
J. K. RowlingIt is perfectly possible to live a very moral life without a belief in God, and I think it's perfectly possible to live a life peppered with ill-doing and believe in God.
J. K. Rowling