It appears from these and other passages that Moses' traditional title as the father of Israelitish legislation is well established. As a prophet, he proclaimed certain fundamental principles that became the basis of all later codes. As a judge, he rendered decisions that soon grew into customary laws. As a leader and organizer, he laid the foundations of the later political and institutional growth of the nation. Furthermore, it is probable that he taught the people certain simple commands which became the nucleus of all later legislation. Naturally and properly, as oral laws subsequently grew up and were finally committed to writing, they were attributed to him. Later, when these laws were collected and codified, they were still designated as _Mosaic_, even, though the authors of these codes added many contemporary enactments to the earlier laws. Thus the traditions, as well as the theory, of Israelitish law fortunately raised no barrier against its normal growth. It was not until the late Jewish period, when the tradition became rigid and unnatural, that the rabbis, in order to establish the authority of contemporary laws, were forced to resort to the grotesque legal fictions which appear in the Talmud. [Sidenote: _Evidences that the earliest laws were oral_] The earliest Hebrew laws, like the traditions, were apparently long transmitted in oral form. The simple life of the desert and early Canaan required no written records. Custom and memory preserved all the laws that were needed. Also, as we have seen, before the Hebrews came into contact with the Canaanites and Phoenicians, they do not seem to have developed the literary art. Instead, they cast their important commands and laws into the form of pentads and decalogues. The practical aim seems to have been to aid the memory by associating a brief law with each finger of the two hands. The system was both simple and effective. It also points clearly to a period of oral rather than written transmission. [Sidenote: _The earliest Hebrew laws_]