"No! Don't kill me!"
"The prophecy did not refer to a women. It spoke of a boy born at the end of July."
"Yes but, he thinks its her son! He intends to hunt them down now, to kill them. Hide her, hide them all. I beg you."
"What will you give me in return, Severus?"
"Anything."

-Severus Snape &' Albus Dumbledore.