Two things. First the Nazirite vow: a temporary holiness open to man or woman, defined by three abstentions — nothing from the vine, no razor, and no contact with a corpse, not even for a parent. Then, from verse 22, the priestly blessing. In 1979 two rolled silver amulets came out of a burial cave at Ketef Hinnom carrying a version of these words from before the exile — the oldest physical witness to any biblical text.