על חיי משה, ספר א נ״זOn the Life of Moses, Book I 57

א׳
1[309] So, braced by these exhortations, with the native gallantry of their souls kindled to a flame, they went forth to the contest as to certain victory with indomitable resolution, and in the engagement shewed such a wealth of strength and boldness, that they made a slaughter of their opponents, and returned themselves all safe and sound without a single one killed or even wounded.
ב׳
2[310] Indeed, any spectator who did not know the facts would have supposed that they were returning not from a war or pitched battle but from those military reviews and displays of arms so frequently made in peace-time, which serve as drilling and practising grounds, where training for hostilities is carried on among friends.
ג׳
3[311] They proceeded to destroy the cities utterly by demolition or fire, so that no one could have told that they had ever been inhabited. And, having carried off prisoners more than they could count, they felt justified in putting the men and women to death, the former because these iniquitous designs and actions had been begun by them, the women because they had bewitched the younger Hebrews and thus led them into licentiousness and impiety and finally to death; but to the boys who were quite young and the maidens they shewed the mercy which their tender age secured for them.
ד׳
4[312] Having greatly enriched themselves with much booty from the palaces and private houses, and also from the country homesteads, since there was as much to be got from the estates as from the cities, they returned to the camp laden with all the wealth obtained from their enemies.
ה׳
5[313] Moses praised the general, Phinehas, and the combatants for their exploits, and also because they had not rushed to gain the prizes, nor thought of taking the spoil for themselves alone, but put it into a common stock, that those who had stayed behind in the tents might have their share. But he gave orders that they should stay outside the camp for some days, and that the high priest should purge from bloodshed those members of the united army who returned after being actually engaged.
ו׳
6[314] For, though the slaughter of enemies is lawful, yet one who kills a man, even if he does so justly and in self-defence and under compulsion, has something to answer for, in view of the primal common kinship of mankind. And therefore purification was needed for the slayers, to absolve them from what was held to have been a pollution.