I have posted several lists of Aphoristic Lord Of The Rings Quotations and I thought I’d make a page to compile them all. Here it is.

Fellowship of the Ring (Book 1)
Fellowship of the Ring (Book 2)
The Two Towers (Book 3)
The Two Towers (Book 4)
Return of the King (Book 5)
Return of the King (Book 6)

Fellowship Of The Ring (Reread – Book 1)
Fellowship and Two Towers (Reread – Books 2-4)(More to come)

For completeness sake:
Quotes From The Movie Not In The Book

The Hobbit (Part 1)
The Hobbit (Part 2)
The Hobbit (Part 3)