Nehemiah 4:20

and the builders, everyone wore his sword at his side, and so built. He who sounded the trumpet was by me.

I said to the nobles, and to the rulers and to the rest of the people, "The work is great and large, and we are separated on the wall, one far from another.

So we worked in the work: and half of them held the spears from the rising of the morning until the stars appeared.

Likewise at the same time said I to the people, "Let everyone with his servant lodge within Jerusalem, that in the night they may be a guard to us, and may labor in the day.