How we cite our quotes: (Act.Scene.Line)
Quote #10
HARRY: For this plan to work she has to believe it's him, without hesitation. She'll use Parseltongue—and I knew there was a reason why I still have that ability. But more than that, I—know what it is to feel—like him. I know what it is to be him. It has to be me. (4.10.33)
The only person who can pass as Voldemort is Harry. He's Polyjuiced into other people and hidden under his invisibility cloak, but this is the ultimate deception for Harry Potter.