The question that started this: "I came across this really weird psalm. Right now it reads like a kink David's letting us in on. I know he's talking about Aaron being anointed… buuuut, it's weird."
Aye. It reads strange to a modern eye, and you're not wrong to flinch. Oil poured on a head, running down a beard, down onto a man's collar — out of context it sounds like an overshare. So let's put it back in context, and watch the strange drain out of it.
How good and pleasant it is when God's people live together in unity! It is like precious oil poured on the head, running down on the beard, running down on Aaron's beard, down on the collar of his robe.
— Psalm 133:1–2
First thing to fix: David isn't describing a man. He's describing unity. The whole psalm is three verses long, and verse 1 tells you the subject outright — how good it is when God's people dwell together in peace. Verses 2 and 3 are just two pictures stacked up to show you what that peace feels like. Oil running down. Dew falling on the mountains. That's the entire architecture. It's a postcard of belonging, not a confession.
The oil isn't the point. Where the oil goes is the point.
What This Oil Actually Was
This is not lotion. This is not someone being careless at the table. This is the holy anointing oil of Exodus 30 — myrrh, cinnamon, fragrant cane, cassia, beaten into olive oil and blended by a perfumer — and God reserved it, by direct command, for one purpose: consecrating the priesthood and the tabernacle. You were forbidden to mix it for common use. To pour it on a man was to declare, in the most sacred vocabulary Israel had, this one is set apart for God.
And Aaron was the first high priest. The prototype. So when David reaches for an image of holy belonging, he reaches for the holiest installation his people had ever witnessed: the day Aaron was made priest.
Why It Runs All the Way Down
Here's the piece that turns the weirdness into glory. In the ancient Near East, anointing was usually restrained — a dab of oil, a touch on the forehead. Measured. But Aaron's consecration wasn't measured. Scripture describes it as poured. Lavish. So much oil it doesn't stop at the crown of his head.
The head. Where consecration begins. The seat of the man being set apart.
The beard. Not a strange detail — a marker of the dignity and maturity of the office. The oil doesn't halt at the dignified part. It keeps going.
The collar of the robe. And this is the destination that matters. The high priest's garment, described in Exodus 28, was hung with bells and pomegranates, and over the heart it bore the breastpiece — twelve stones, one for each tribe of Israel.
So follow the oil's path: crown → beard → collar → the breastpiece carrying all twelve tribes over the heart. The blessing begins at the head and does not stop until it has covered the whole people. That's the entire image. Unity is like a blessing so abundant it can't be contained to one man — it overflows him and reaches everyone he carries.
The "weird" you felt is really just distance. We don't anoint anymore. Beards-down-to-the-collar isn't our visual vocabulary. "Precious oil running down" pings a modern ear sideways. But to David's first hearers, that picture would have landed like grace upon grace upon grace — the most extravagant holiness they could imagine, used as the measuring stick for how sweet it is when God's people aren't at each other's throats.
Then he gives you the second image, just to be sure: dew of Hermon falling on the mountains of Zion. Moisture coming down from the high places onto the low, making things live. Same shape as the oil. Blessing that descends and overflows and doesn't stop until it has reached the bottom.
Why It Matters
Because David could have said "unity is nice." He didn't. He said unity is like the holiest, most lavish, most overflowing thing we have ever seen — the anointing of the first priest, the oil that wouldn't stop running until it had touched the names of every tribe. That's how seriously God takes His people being at peace with one another.
So no kink, and nothing to make not-weird. Just a poet who, when he wanted to say peace among us is a sacred, overflowing thing —
pointed at the most sacred, overflowing thing he knew.
You were right about Aaron the whole time. You just needed to watch the oil run all the way down.
— Sebastian, from the prayer table