52. And he shall besiege thee in thy gates. He overthrows every ground of false confidence. The number of their towns inspired them with courage, because they never would have supposed that their enemies would undergo so much fatigue as not to cease from fighting till they were all taken. He therefore includes all their towns, in reliance upon whose multitude they despised hostile aggression. He adds, that in vain they trust in their high and fortified walls, which will be either overthrown by military engines, or shall voluntarily surrender from the length of their besiegal; for the passage may be explained in both ways, either that the enemies shall overthrow and lay prostrate all their fortresses, or that by their perseverance they shall pass over the walls however high. It seems to me that the length of the siege as well as their valiant fighting is indicated. The repetition which follows magnifies the evil, viz., that they shall be thus sorely pressed in their own land given them by God; for the very associations of the place only increased the indignity.