When did phrase fear the spear start?

The phrase "fear the spear" is often associated with ancient military contexts, particularly in reference to the Roman and Greek armies, where spear-wielding soldiers were a dominant force. While it is difficult to pinpoint an exact origin, the sentiment of fearing the spear can be traced back to early warfare, where the spear was a primary weapon. The phrase has also been popularized in various forms of literature and media, reflecting the fear instilled by skilled warriors in battle.