 The part for the first day contains the arguments against Christians; that for the second day those against the Karaite interpretation of the Bible; those for the remaining five days contain several interpretations of obscure Biblical passages that are likely to mislead students; the reasons for the commandments; arguments against atheists; arguments against the Karaites and their rejection of the Talmud; and an account of the sixteen things which comprehend the whole of Judaism and which, after being indicated in the Pentateuch, are repeated in the Prophets and Hagiographa.Very characteristic is Lipmann's refutation of the assumed miraculous birth of Jesus, as well as his demonstration of the falsity of the conclusions of the Christians who claim that the birth of Jesus was foretold by the Prophets.He constantly quotes Maimonides, Abraham ibn Ezra, Nahmanides, Saadia, Rashi, Shemariah of Negropont, and other ancient scholars.