3. =Their law and worship were observed.= There were no sacrifices, for these could be offered only at Jerusalem in the temple. But the people gathered for worship and for the study of the law far more faithfully than before the exile; for adversity is a school of religious character far more than prosperity. The exile would naturally exert an influence in the direction of religion. While the irreligious and idolatrous among the captives would soon drop out of the nation and be lost among the Gentiles, the earnest, the spiritual, and the God-fearing would grow more intense in their devotion. The institutions which date from the captivity (noticed below, under "Results of Captivity") are an evidence of this fact. 4. =They were instructed by prophets and teachers.= Jeremiah lived for some time after the beginning of the captivity, made a visit to Babylon, and wrote at least one letter to the exiles (Jer. 13. 4-7; 29. 1-3). Daniel lived during the captivity, and, though in the court, maintained a deep interest in his people, and comforted them by his prophecies. Ezekiel was himself one of the captives, and all his teachings were addressed to them (Ezek. 1. 1-3). Many evangelical and eminent Bible scholars are of the opinion that the latter part of Isaiah, from the fortieth chapter to the end, was given by a "later Isaiah" during the exile; but whether written at that time or earlier, it must have circulated among the captives and given them new hope and inspiration. The radical change in the character of the Jews which took place during this period shows that a great revival swept over the captive people and brought them back to the earnest religion of their noblest ancestors. 5. =Their literature was preserved and enlarged.= Internal evidence shows that the Books of the Kings were finished and the Books of the Chronicles written at this time or soon afterward; the Books of Daniel, Ezekiel, Habakkuk, and other of the minor prophets were given; and a number of the best psalms were composed during this epoch, as such poems are likely to be written in periods of trial and sorrow. Out of the many psalms we cite Psalms 124, 126, 129, 130, 137, as manifestly written during the captivity. The exile was an age of life and vigor to Hebrew literature. V. =THE RESULTS OF THE CAPTIVITY.= In the year 536 B. C. the city of Babylon was taken by Cyrus, King of the combined Medes and Persians. One of his first acts was to issue an edict permitting the exiled Jews to return to their own country and rebuild their city. Not all the Jews availed themselves of the privilege, for many were already rooted in their new homes, where they had been for two generations. But a large number returned (Ezra 2. 64), and re-established the city and state of the Jews. The captivity, however, left its impress upon the people down to the end of their national history, and even to the present time.