3 And I said unto them, Let not the gates of Jerusalem be opened until the sun be hot; and while they stand [on guard], let them shut the doors, and bar ye them: and appoint watches of the inhabitants of Jerusalem, every one in his watch, and every one [to be] over against his house.

Matthew Henry's Commentary on Nehemiah 7:3

Commentary on Nehemiah 7:1-4

(Read Nehemiah 7:1-4)

Nehemiah, having finished the wall, returned to the Persian court, and came to Jerusalem again with a new commission. The public safety depends on every one's care to guard himself and his family against sin.