The messenger bearing the letter arrived on the day before the Feast of Weeks. Although Joshua was greatly wrought up by the contents of the letter, he kept his counsel until after the feast, in order not to disturb the rejoicing of the people. Then, at the conclusion of the feast, he told the people of the message that had reached him, so terrifying that even he, the veteran warrior, trembled at the heralded approach of the enemy.
Nevertheless Joshua determined to accept the challenge. From the first words his reply was framed to show the heathen how little their fear possessed him whose trust was set in God. The introduction to his epistle reads as follows: "In the Name of the Lord, the God of Israel, who saps the strength of the iniquitous warrior, and slays the rebellious sinner. He breaks up the assemblies of marauding transgressors, and He gathers together in council the pious and the just scattered abroad, He the God of all gods, the Lord of all lords, the God of Abraham, Isaac, and Jacob.
God is the Lord of war! From me, Joshua, the servant of God, and from the holy and chosen congregation to the impious nations, who pay worship to images, and prostrate themselves before idols: No peace unto you, saith my God! Know that ye acted foolishly to awaken the slumbering lion, to rouse up the lion's whelp, to excite his wrath. I am ready to pay you your recompense. Be ye prepared to meet me, for within a week I shall be with you to slay your warriors to a man."