There would the holy drink of the "Water of Life" and nourish themselves on the fruit which hang upon the "Tree of Life." The wicked, on the other hand, would be cast into hell and suffer in fearful torments the just punishment of their sins. [28] The conception of a resurrection of the dead and a last judgment had hitherto been strange to the Jews. In pre-exilic days they allowed the body to die and the soul after death to go down as a shadow without feeling into Hades (Sheol), without disturbing themselves further about its fate. Now, however, with the doctrine of the destruction of the world by fire and the general judgment, the idea of personal immortality entered the world of Jewish thought. Thus it is said by Daniel that on the day of judgment the dead will rise again, some waking to everlasting life, others to everlasting perdition. "But the teachers will shine as the brightness of heaven, and those who led the multitude to justice as the stars for ever and ever." [29] With the acceptance of personal immortality the whole tone of religious thought was deepened and enriched in the direction of thought for the individual. Former Jewish morality had been essentially of a collective kind. It was not so much the individual as the people viewed collectively that was looked upon as the object of divine solicitude. At this point the position, the road to which had been already prepared by the prophets, was definitely established, that the individual hoped for a personal religious salvation and as a consequence felt in direct personal relationship with Jahwe. God indeed remained, as the Persians had taught them to understand him, the superhuman lord of heaven enthroned in pure light, the source of all life, the living God. His metaphysical qualities, however, his dazzling glory and unconquerable might were ever more and more overshadowed by his moral attributes: goodness, grace, and mercy appeared as the most prominent features in the character of Jahwe. God seemed a loving father who leads his children through life with kindly care, and without whose consent not a hair of one of his creatures could be touched. The strong tendency within Judaism, represented by the upper currents of pharisaic rabbinism, continually drew the national boundaries closer, and was ever more anxiously occupied with a painfully strict observance of the letter of the law and a conscientious observance of ritualistic ordinances. Ethics threatened to be extinguished under a system of conventional rules of an essentially juristic nature. Yet all the while a more human and natural morality was arising, an inward piety, warm-hearted, popular, and sound, which broke through the narrow limits of Jewish nationalism, and sent a fresh current into the heavy atmosphere of official legality. It was then that the groundwork of later Christian ethics was laid in the purified morality of the psalms, aphorisms, and other edificatory writings of a Job, Baruch, Jesus son of Sirach, &c.