14:1-15 Asa's piety, He strengthens his kingdom. - Asa aimed at pleasing God, and studied to approve himself to him. Happy those that walk by this rule, not to do that which is right in their own eyes, or in the eye of the world, but which is so in God's sight. We find by experience that it is good to seek the Lord; it gives us rest; while we pursue the world, we meet with nothing but vexation. Asa consulted with his people how to make a good use of the peace they enjoyed; and concluded with them that they must not be idle, nor secure. A formidable army of Ethiopians invaded Asa's kingdom. This evil came upon them, that their faith in God might be tried. Asa's prayer is short, but it is the real language of faith and expectation from God. When we go forth in God's name, we cannot but prosper, and all things work together for the good of those whom he favours.

2Ch 14:9-15. He Overcomes Zerah, and Spoils the Ethiopians.

9. there came out against them Zerah the Ethiopian—This could not have been from Ethiopia south of the cataracts of the Nile, for in the reign of Osorkon I, successor of Shishak, no foreign army would have been allowed a free passage through Egypt. Zerah must, therefore, have been chief of the Cushites, or Ethiopians of Arabia, as they were evidently a nomad horde who had a settlement of tents and cattle in the neighborhood of Gerar.

a thousand thousand, and three hundred chariots—"Twenty camels employed to carry couriers upon them might have procured that number of men to meet in a short time. As Zerah was the aggressor, he had time to choose when he would summon these men and attack the enemy. Every one of these Cushite shepherds, carrying with them their own provisions of flour and water, as is their invariable custom, might have fought with Asa without eating a loaf of Zerah's bread or drinking a pint of his water" [Bruce, Travels].