The Four Books of Sentences (Libri Quattuor Sententiarum)'s a book of theology written by Peter Lombard in the twelfth century. It's a systematic compilation of theology, written around 1150; it derives its name from the 'sententia' or opinions on Biblical passages that it gathered together.http://en.wikipedia.org/skins-1.5/common/images/button_sig.pnghttp://en.wikipedia.org/skins-1.5/common/images/button_math.pnghttp:http://upload.wikimedia.org/wikipedia/commons/7/79/Button_reflink.png//en.wiki… (More on Sentences)