commonplace book

I came across this word, new to me, recently in a crossword and realised that this was what I like keeping. Whilst this is not exactly a commonplace book it is a good vehicle to become one.

commonplace book

n

(Literary & Literary Critical Terms) a notebook in which quotations, poems, remarks, etc., that catch the owner's attention are entered

Collins English Dictionary – Complete and Unabridged © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003