“Curiosity is not a sin.... But we should exercise caution with our curiosity... yes, indeed.”

“The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution.”

“We Slytherins are brave, yes, but not stupid. For instance, given the choice, we will always choose to save our own necks.”

“Curious indeed how these things happen. The wand chooses the wizard, remember...I think we must expect great things from you, Mr. Potter... After all, He-Who-Must-Not-Be-Named did great things — terrible, yes, but great.”

“Ah, yes. Harry Potter. Our new — celebrity.”

“The consequences of our actions are always so complicated, so diverse, that predicting the future is a very difficult business indeed.”

“Why were you lurking under our window?""Yes - yes, good point, Petunia! What were you doing under our windows, boy?""Listening to the news," said Harry in a resigned voice.His aunt and uncle exchanged looks of outrage."Listening to the news! Again?""Well, it changes every day, you see," said Harry.”