Matthew Poole and continuators on Zechariah 10:6

6 And I will strengthen the house of Judah , and I will save the house of Joseph , and I will bring them again to place them ; for I have mercy upon them : and they shall be as though I had not cast them off : for I am the LORD their God , and will hear them .

God will give both courage and strength, courage to attempt, and also strength to go through and finish the attempt; in this they of the house of Iudah were famous in the Wars of the Iews against the Seleucidae, in which Wars they had wonderful difficulties, and as wonderful courage and success.

The remnant of the Kingdom of Israel, the residue of the ten Tribes, called the house of Joseph, for that Ephraim and Manasseh part of that Kingdom were the sons of Joseph.

Both Iudah and Ioseph out of Babylonish Captivity,

To settle them in their own Land, and in their own Cities, how far this doth warrant the expectation of an universal gathering of this people, I do not undertake to determine.

I pity them in what they have already suffered, and my mercy is not clean gone from them, I have yet rich mercy for them, and will shew it when they have built City and Temple, and restored Religion.

In every respect they shall so multiply, thrive, and prosper, that though they remember it with grief, and shame, yet the generations to come shall discern no sad marks of a rejected people

in a perpetual Covenant which I never can, nor will break; I am and will be their God, they should, yea, shall be my people, as chap. 8.8.

They will pray, and I will hear, for they are mine, they will seek me as their God, and I will save them as my people.