Philo Judaeus De Agricultura 151

[151] But the multitude of their other allies will cheerfully encounter the contest on behalf of these things. At first sight, indeed, it seems absurd to rely upon the energies or fortune of others; and especially when it is both an individual and a common danger, involving defeat, and slavery, and utter destruction, which hangs over men’s heads, who are able of themselves to encounter the toils and perils of war, and who are not hindered by any disease, or by old age, or by any other disaster. It is rather fitting that those, whom the danger chiefly concerns, should seize their arms and stand in the front battalions and hold their shields over their allies, fighting cheerfully and with a spirit which even courts dangers.