faith/religious prompts
All of the quotes below are modified from ninebillion @ LJ.
Post-Voldemort, one of the "heroes" observes Harry's new acclaim: "When men destroy their old gods they will find new ones to take their place."
An ex-Death Eater told his/her children: "When you dance with the devil, the devil doesn't change. He changes you."
An old Wizard/Witch muses on old Wizarding beliefs and religions: "While wizards don't believe in gods, they know for a fact that gods believe in gods."
The Slytherins have a new motto in post-Voldemort world: "Believe nothing, no matter where you read it, or who has said it, not even if I have said it, unless it agrees with your own reason and your own common sense."
The Hufflepuff motto: "If you do things right, people won't be sure you've done anything at all."
Someone with Death Eater parent(s) wrote to the Daily Prophet: "An apology for the Devil; it must be remembered that we have only heard one side of the case. God has written all the books."
Neville Longbottom (or the trio or Draco) answers students' questions about the War: "Somebody tells a story, let's say, and afterward you ask, "Is it true?" and if the answer matters, you've got your answer."
Draco explains why Purebloods think the way they do: "It's a logical assumption that, if you are told something enough times, or if you see something often enough, eventually it becomes incorporated into who and what you are."
Snape wakes up, and... "Why, this is hell, nor am I out of it."
An inscription on a Wizard/Witch's grave (s/he died in the fight against Voldemort): "Do not stand at my grave and cry; I am not there. I did not die."
A spell found in a book in the Restricted Section: "I am the song that sings the bird... I am the word that speaks the man."