Bible Verses About Watchfulness: God especially requires in ministers

On your walls, O Jerusalem, I have posted watchmen; they will never be silent day or night. You who call on the LORD shall take no rest for yourselves,

“Son of man, I have made you a watchman for the house of Israel. Whenever you hear a word from My mouth, give them a warning from Me.

It is like a man going on a journey who left his house, put each servant in charge of his own task, and instructed the doorkeeper to keep watch.