Jacob listened as others in the class answered the two questions at hand. He agreed with some of them, others less so. He thought for a moment and then raised his hand. "I agree with you," he said, gesturing to a Slytherin boy who'd just spoken. He didn't know anyone's names yet. "The Order of the Phoenix was probably one of Dumbledore's greatest contributions. He organized people to band together secretly, as well as organizing a double agent who was so effective that he even fooled Voldemort," he continued, thinking of Severus Snape. "Not just anyone could do that, I think."