Goblet of Fire
Chapter 22
The Unexpected Task
"Evil, he is," Ron said bitterly that night in the Gryffindor common room. "Springing a test on us on the last day. Ruining the last bit of term with a whole load of studying."
pg 392
"I don't care what Moody says," Hermione went on. "Dumbledore's not stupid. He was right to trust Hagrid and Professor Lupin, even though loads of people wouldn't have given them jobs, so why shouldn't he be right about Snape, even if Snape is a bit---"
" ---evil," said Ron promptly. "Come on, Hermione, why are all these Dark wizard catchers searching his office, then?"
pg 481