Books I-III cover all of the truths which are naturally accessible to the h
Books I-III cover all of the truths which are naturally accessible to the human mind and Book IV addresses those truths which the human mind cannot itself grasp.* Book I addresses God's existence, Book II, God's actions, namely Creation, and Book III, how the end of all things can be found in God. Legend has it that it was written at the behest of Raymond of Penafort to educate the heathens, but since the 20th Century it has been seen as a treatise on truth. FTP, name this work by Thomas Aquinas, which some consider the precursor to his Summa Theologica.
Books I-III cover all of the truths which are naturally accessible to the human mind and Book IV addresses those truths which the human mind cannot itself grasp.
Summa contra Gentiles