After Dumbledore finished that evening's lesson, Harry could not help asking, "Sir, do you want me to search for Voldemort's Horcruxes?"
"If necessary, I will take you to find Voldemort's Horcruxes, but not now, Harry." Dumbledore gave the cabinet holding the Pensieve a gentle push, closing it. "I would rather you learned about Voldemort from these memories. Only by understanding our enemy better can we find a way to deal with him."
"To be honest, I don't know what Voldemort's weakness is. Unless being ugly counts?" Harry noticed Dumbledore's slightly raised brow and quickly added, "I was only joking, sir."
"What do you think Voldemort's weakness is?" Dumbledore asked with a smile.
"Voldemort is terrified of death, and he's vain and arrogant. Oh, right, he also likes collecting things. He seems rather stubborn too, always wanting to kill me himself. If he'd let the Death Eaters do it, I might have died long ago."
"Harry, you actually understand Voldemort quite well." Dumbledore nodded approvingly.
"But I don't see how knowing that is useful." Feeling somewhat frustrated, Harry changed the subject. "By the way, sir, how many Horcruxes have you found?"
"Several, but I'm afraid I must keep that secret for now. We need part of Professor Slughorn's memory to determine the number of Horcruxes." Dumbledore looked up at Harry and said seriously, "You must try harder, Harry. I believe you can succeed."
"I've been trying to use Felix Felicis and go to Professor Slughorn's to test my luck, but it hasn't gone very well." Harry felt rather depressed whenever he mentioned it. Even taking Felix Felicis had not worked, making him realize just how difficult the task was.
"Felix Felicis is indeed an invaluable thing for most people, but you need to understand how to use it. As far as