(for they have become priests without an oath, but He with an oath by Him who said to Him: "The LORD has sworn And will not relent, "You are a priest forever According to the order of Melchizedek"'),
Hebrews 7:21
Surrounding context
7:20 And inasmuch as He was not made priest without an oath
7:21 (for they have become priests without an oath, but He with an oath by Him who said to Him: "The LORD has sworn And will not relent, "You are a priest forever According to the order of Melchizedek"'),
7:22 by so much more Jesus has become a surety of a better covenant.