The Baby Thief God and His Most Famous Job
Most people learn about Hermes as the messenger of the gods, the guy with winged sandals who runs around delivering emails for Zeus. That's a tiny slice of the picture. Before he was anyone's postman, Hermes was a thief. A really good one. The oldest surviving account of this comes from the Homeric Hymn to Hermes, which is basically a four-page poem that reads more like a prankster's origin story than religious literature. The hymn describes Hermes being born in a cave on Mount Cyllene, wrapped in swaddling clothes, and within hours of his birth, crawling out and stealing a herd of Apollo's cattle. This isn't some minor childhood mischief. What Hermes stole was Apollo's entire herd of cattle, and the way he did it is where the interesting technical detail lives. He drove the cows backward, making their hooves point in reverse, so anyone tracking the footprints would see them heading toward the cave instead of away from it. He also made sandals from tree bark to muffle his steps and found a tortoise by the cave entrance, killed it, stretched its shell over a branch, and strung gut from the cattle sacrifice to create the first lyre. So while he was sneaking past Apollo's property, he was simultaneously inventing music.
What Did Hermes Steal
The short answer: Apollo's cattle. Specifically, fifty head of them. The long answer is more useful because it explains why this particular theft matters in the broader framework of Greek myth and, honestly, in understanding how the ancient Greeks thought about property, boundaries, and divine competence. Cattle were the currency of the ancient world. They weren't livestock you kept for show. They were wealth. Stealing Apollo's cattle was equivalent to walking into a vault and opening it, not just picking a pocket. Apollo was the god of many things — light, prophecy, healing, music — but he wasn't known as a warrior or a cunning trickster. Hermes exploited exactly that gap. I remember reading this hymn years ago in a translation that glossed over the foot-tracking detail, and I didn't realize how methodical Hermes actually was. The reverse-footprint trick is the kind of thing that suggests the ancient audience understood this as a genuine crime scene investigation scenario. Someone was supposed to find those tracks and figure out what happened. Hermes anticipated that someone would look and designed his countermeasure accordingly. That's not a impulsive theft. That's premeditated. When Apollo realized his cattle were gone, he tracked the unusual backward footprints to the cave, found the baby playing a lyre he'd clearly just invented, and brought him before Zeus for judgment. Zeus found this amusing. Hermes played dumb, claiming he'd never left the cave, which is a bold strategy for an infant who had literally just been making music with a tortoise shell. Zeus saw through it but didn't punish Hermes. Instead, he told Apollo to accept compensation, and Hermes gave Apollo the lyre he'd built. Apollo, who was primarily a god of music anyway, was perfectly happy with that trade. The cattle became his again, plus he gained a new instrument.
The cattle theft establishes Hermes's role as the god of boundaries and transitions, but also as the god of cross-boundary movement. He doesn't just move between places. He moves between categories. God and thief. Infant and inventor. Friend and fraud. The ancient Greeks weren't trying to moralize here. They were mapping out a conceptual space where trickery, commerce, and communication all lived under the same roof. That's a useful framework if you're trying to understand anything about Greek religion beyond the surface level. There's another layer most people miss. The cattle Hermes stole weren't just any cattle. In the hymn, they're described as sacred to Apollo. This matters because in the Greek worldview, stealing sacred property wasn't a legal matter. It was a theological emergency. The boundary between the human and divine was being violated, and Hermes was the one doing the violating. The resolution — Apollo accepting the lyre as payment — essentially formalized Hermes's position as a divine figure who operates outside normal moral constraints but is still under divine authority. Zeus's approval of the outcome is what makes it acceptable. Without that, it's just theft. With it, it's cosmology. I've seen this myth used repeatedly in modern discussions about Hermes as the patron of travelers, merchants, and thieves, but the connection between those roles is almost always hand-waved. The cattle story explains it precisely. A traveler crosses boundaries. A merchant trades across boundaries. A thief steals across boundaries. Hermes didn't get categorized as the god of those three things because they seemed similar. He got categorized that way because the oldest story we have about him is him crossing a line and not being punished for it.
Get the Full Details

One detail that rarely gets emphasized: Hermes returned the cattle the same night he stole them. He drove forty-nine back into the fold and left one behind. When Apollo found the herd, he counted them and noticed the discrepancy. Hermes had essentially stolen the cattle, proven he could steal them, returned most of them, and kept one as proof of concept. That's not theft in the modern sense. It's a demonstration. Hermes was showing Apollo and Zeus that he could operate in spaces where neither of them had expected him to function. The one cattle he kept was his initial capital. The story also explains why Hermes is associated with dream interpretation and divination. After the cattle incident, Apollo gave Hermes the golden staff and the ability to put gods to sleep and wake them at will. Sleep and waking are boundaries. Dreams are boundaries. The same skill that let him walk past a god's property undetected is what lets him move between conscious and unconscious states. The cattle theft wasn't an anomaly. It was the first documented use of a consistent ability. If you're studying this for any academic purpose, the Homeric Hymn to Hermes, Book 4, is the primary source. It's available in public domain translations online. The Churchyard translation from 1589 is readable, but the Evelyn-White version in the Loeb Classical Library is more accurate for scholarly work. There are also commentaries by West and Deubner that go deeper into the cattle-stealing mechanics and the hymn's structure. The hymn itself is roughly 570 lines and covers far more than the theft, including Hermes's invention of the lyre, his encounter with Apollo, and his eventual appointment as Zeus's messenger. The cattle episode occupies only the first section, but it sets up everything that follows.
Modern retellings tend to soften the theft or frame it as harmless trickery. The ancient audience wouldn't have read it that way. They understood exactly what Hermes did and why it was significant. He took sacred property, reversed the evidence, invented a new technology to distract his victim, negotiated his own freedom through trade, and established a divine precedent that trickery and boundary-crossing were permanent features of the cosmic order. That's the full scope of what he stole, and it's more than cattle.