Proverbs 26:6
He that gives responsibility to one who is not able to carry it out is like him that sends a message by the hand of a fool, and he shall drink the damage.
Proverbs 10:26
As vinegar to the teeth and as smoke to the eyes, so is the sluggard to those that send him.
Numbers 13:31
But the men that went up with him said, We are not able to go up against that people, for they are stronger than we.
Proverbs 13:17
A bad messenger shall fall into evil: but a faithful ambassador is medicine.
Proverbs 25:13
As the cold of snow in the time of harvest, so is a faithful messenger to those that send him, for he refreshes the soul of his master.