best lines in the book?

[Laura]

No: HPFGUIDX 59754

Personally, I'm a big fan of this exchange in PoA:

- - - - 
"Would anyone like me to help them interpret the shadowy portents 
within their Orb?" she [Professor Trelawney] murmured over the 
clinking of her bangles.

"I don't need help," Ron whispered.  "It's obvious what this means.  
There's going to be loads of fog tonight."
- - - -

I don't know why, but that line makes me laugh out loud every time I 
read it, no matter how many times I've heard it before.  

As for a serious quote, I'm a big fan of the speech someone mentioned 
earlier that Dumbledore made about Cedric and choosing between what 
is right and what is easy.

-Laura 
(I'd say I'm back from lurking, but I haven't even been reading 
lately...)