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l the grace of God. The faculties chiefly concerned are reason and imagination. Moral excellence is also an indispensable prerequisite in aiding the development of the theoretical powers.

Proceeding to the more dogmatic elements of Judaism, Maimonides was the first to reduce the 613 commandments of Rabbinic Judaism to thirteen articles of faith. Hasdai Crescas criticised Maimonides's principle of selection as well as the list of dogmas, which he reduced to six. And Joseph Albo went still further and laid down three fundamental dogmas from which the rest are derived. They are the existence of God, revelation of the Torah and future reward and punishment.

The law of Moses is unanimously accepted as divinely revealed. And in opposition to the claims of Christianity and Mohammedanism an endeavor is made to prove by reason as well as the explicit statement of Scripture that a divine law once given is not subject to repeal. The laws are divided into two classes, rational and traditional; the former comprising those that the reason approves on purely rational and ethical grounds, while the latter consist of such ceremonial laws as without specific commandment would not be dictated by man's own reason. And in many of these commandments no reason is assigned. Nevertheless an endeavor is made to rationalize these also. Bahya introduced another distinction, viz., the "duties of the heart," as he calls them, in contradistinction to the "duties of the limbs." He lays stress on intention and motive as distinguished from the mere external observance of a duty or commandment.

Finally, some consideration is given in the works of the majority of the writers to eschatological matters, such as the destiny of the soul after death, the nature of future reward and punishment, the resurrection of the body and the Messianic period, and its relation to the other world. This brief sketch will suffice as an introduction to the detailed treatment of the individual philosophers in the following chapters.