Psalm 110:4
The LORD has sworn, and will not change his mind: “You are a priest forever in the order of Melchizedek.”
World English Bible (Public Domain)
In context
Before · Psalm 110:2–3
2The LORD will send out the rod of your strength out of Zion. Rule among your enemies. 3Your people offer themselves willingly in the day of your power, in holy array. Out of the womb of the morning, you have the dew of your youth.
4The LORD has sworn, and will not change his mind: “You are a priest forever in the order of Melchizedek.”