The words of warning written in the fifth book of Moses had told them plainly that if they turned aside and worshipped the wicked idol-gods of Canaan, the Lord would take their country from them and drive them out into strange lands. Yet again and again they had yielded to temptation. And now the day of reckoning had come. Nebuchadnezzar, the great king of Babylon, sent his armies into the Holy Land. No nation at this time could resist Nebuchadnezzar; even the fierce Assyrians had to bow before him, for he was one of the most powerful kings the world has ever seen. Yet even Nebuchadnezzar was but an instrument in the hands of God, as Daniel recognized when he said: '_Thou, O king, art a king of kings: for the God of Heaven hath given thee a kingdom, power, and strength, and glory._' (Daniel ii. 37.) This thought had been Daniel's comfort and stay, though he had been carried into the great heathen land far from Jerusalem, his beloved and holy city. But to those Jews who had no trust in God to uphold them, the sorrow was almost greater than they could bear. For Nebuchadnezzar broke down the wall of Jerusalem, and led many thousands of her people away to be his slaves in Babylon. 'We have taken their treasure of gold and silver; we have laid their city wall in ruins; their Temple is bare and deserted; their gardens of lilies and spices are choked with weeds; their fields are unsown; their vineyards untended; the best men and women of the land are serving us in Babylon. Now, at last, there is an end of this proud Jewish nation, for all that they most valued is in our hands.' So said the heathen Babylonians, mocking the poor captives. How little they dreamt that the Jews' most precious possession was with them still! More valued than jewels or gold, sweeter than the milk and honey of their own land, was the Book of the Law--the Book which told them all they knew of God. Indeed, not until the people were forced to live in a heathen city did they really learn to understand how great a treasure their nation possessed in the written words of God. But in Babylon, with its huge heathen temples blazing with jewels and gold, its scores of cunning idol-priests, who deceived the people by pretending to tell fortunes and make charms, and its countless images, here, at last, God's chosen people began to see the greatness of the gift with which the Lord had blessed them, when He gave them the words which have now become the first books of our Bible. Nebuchadnezzar might break down the wall of their city, he could not break down the spiritual wall which God Himself had built round His people. Scattered through many lands, forced to serve heathen masters as they were, the Book of God's Law was a living gift which bound the Jewish people together.