Librarians are great at finding any book that you may be curious about. I would suggest going to a book store or a library and asking whomever works there.
A person can find a book of quotes in just about any book store. There are online bookstores in which you can check their database to see if it is available. If you cant find it at a bookstore, try...
Most large bookstores will have books containing philosophy quotes, or you can find them online from sites like Amazon and other book retailers. The Hagopian Institute have a series of books called...