And the sons of strangers - They who have been devoted to a foreign and a false religion shall become devoted to the true religion, and engage in the service of the true God.
Shall build up thy walls - Jerusalem is represented as a ruined city. Her walls had been thrown down, and were lying prostrate. In restoring her to her former magnificence, strangers and foreigners would lend their cheerful aid. The idea is, that they would become tributary to the church, and esteem it a privilege to be engaged in any service, however laborious, that would promote its best interests.
And their kings - (See the notes at Isaiah 49:23).
For in my wrath I smote thee - Referring to the calamities which he had, from time to time, brought on Jerusalem (see Isaiah 57:17).
But in my favor - (See the notes at Isaiah 54:8).