Harry Potter was saved by a mother's love more than once. Harry may not of had his mother but he had a lot of comfort from mother like figures. Whenever Harry needed comfort it was always from a mother figure.
Interviewer: "If you were stranded on an island, what book would you like with you?" Daniel Radcliffe: "The Old Man and the Sea." Devon Muarry: "Harry Potter." Emma Watson: " Jilly Cooper or The Bible." Bonnie Wright: "The Great Gatsby." Phelps: "How to Build a Raft."