As for the fact that Malfoy, Crabbe, and Goyle apeared to be going their different ways when they were usually inseparable, these things happened as people got older--Ron and Hermione, Harry reflected sadly, were living proof.

He didn't realize that love as powerful as your mother's for you leaves its own mark.

Parvati positively beamed. Harry could tell that she was feeling guilty for having laughed at Hermione in Transfiguration. He looked around and saw that Hermione was beaming back, if possible even more brightly. Girls were very strange sometimes.

So why in the name of Merlin’s saggy left —” “Don’t talk to your mother like that.

McLaggen makes Grawp look like a gentleman.

Friday was an important day for Harry and Ron. They finally managed to find their way down to the Great Hall without getting lost once.

Longbottom, if brains were gold, you'd be poorer than Weasley, and that's saying something.