Treasury of Scripture Knowledge
And he divided the three hundred men into three companies, and he put a trumpet in every man's hand, with empty pitchers, and lamps within the pitchers.
2 Corinthians 4:7
But we have this treasure in earthen vessels, that the excellency of the power may be of God, and not of us.
1 Corinthians 14:8
For if the trumpet gives an uncertain sound, who shall prepare himself for the battle?