Commentaries:
Barnes' Notes
And the remnant that is escaped - (See the margin.) Those that are left of the Jews. The ten tribes had been carried away; and it is not improbable that the inhabitants of the kingdom of Judah had been reduced by want, and by the siege of Lachish, Libnah, etc. It is not to be supposed that Sennacherib could have invaded the land, and spread desolation for so long a time, without diminishing the number of the people. The promise in the passage is, that those who were left should flourish and increase. The land should be at rest; and under the administration of their wise and pious king their number would be augmented, and their happiness promoted.
Shall again take root downward - Like a tree that had been prevented by any cause from growing or bearing fruit. A tree, to bear well, must be in a soil where it can strike its roots deep. The sense is, that all obstructions to their growth and prosperity would be removed.
Other Barnes' Notes entries containing Isaiah 37:31:
Isaiah 37:30
Isaiah 38:1
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