Charles Spurgeon Commentary Isaiah 2:5

"O house of Jacob, come ye, and let us walk in the light of Jehovah." — Isaiah 2:5 (ASV)

The Jew will come. Long rejecting the Messiah, yet he will be with the Gentile, and will walk in the light of Jehovah. Now the theme changes. We are led to see why a happy state of things does not prevail at this moment, and did not prevail in the land of Judah.

Sin—sin is the cause of the trouble: idolatry, the setting up of something in the place of God.