'Let Us' in the Bible

Therefore said he to Judah, Let us build these cities, and let us surround them with walls and towers, doors and bars, while the land is yet before us, for we have sought Yahweh our God, we have sought him, and he hath given us rest on every side. So they built, and prospered.

Then Amaziah king of Judah took counsel, and sent unto Joash, son of Jehoahaz son of Jehu king of Israel, saying, - Come, let us look one another in the face!