Answer:
The phrase "whose selfishness had not hesitated to buy its own peace at the price, perhaps, of the existence of the whole human race" best supports the the that humans posses the ability to be monstrous. The phrase shows how humans are only thinking of what they want and need and not about how their voices affect the people and things around them.
Answer:
1: the saying means the world can be a big stage drawing a line from reality and being deceived. Many people on this earth act is if they are in a play. Hiding behind a mask, pretending everything is okay, pretending they are saints but are only a wolf in sheep clothing.
Explanation:
The true master of the elder wand, defeats Voldemort. Imaoo