(JNS) — “Where there is unity, there is always victory,” the famed Latin writer Publilius Syrus wrote.

In much of the world, this statement would likely to be used by politicians or others to rally people around a certain ideology or policy.

In Israel, however, unity is a matter of life or death: Safety or destruction, victory or defeat.

Jewish sovereignty in its ancestral and indigenous homeland was reestablished in 1948 only because Jews—and some non-Jews—stood side-by-side to overcome unimaginable odds and defeat their enemies.

There are numerous stories of haredi rabbis on the battlefield...