Harry Potter and the Prisoner of Azkaban
They watched the four men climb the steps and disappear from view. For a few minutes the scene was deserted. Then –" (21.218)
"Hermione – what'll happen – if we don't get back inside – before Dumbledore locks the door?" Harry panted.
"I don't want to think about it!" Hermione moaned, checking her watch again. "One minute!" (22.1.12-13)
"Hasn't your experience with the Time-Turner taught you anything, Harry? The consequences of our actions are always so complicated, so diverse, that predicting the future is a very difficult business indeed [...]" (22.3.42)