Hebrews 7:15 introduces the Melchizedek priest — verse 17 then cites the psalm to confirm this eternal priesthood.

Hebrews 7:21 adds God’s oath to the same quote from verse 17 — strengthening the permanence of Christ’s priesthood.

Hebrews 7:3 describes Melchizedek as a priest forever — the same theme echoed in the quotation here.

Hebrews 7:11 introduces the need for a Melchizedek priest — providing the context for the quote in 7:17.

Hebrews 7:16 explains Christ's priesthood by indestructible life — parallel to the perpetual nature in the quote.

Hebrews 5:6 also cites Psalm 110:4 — the same 'priest forever' quote used here in verse 17.

Hebrews 5:10 states Christ’s designation as Melchizedek priest — verse 17 then supports it with the psalm quote.

Hebrews 6:20 describes Jesus as high priest forever after Melchizedek — the same order that verse 17 quotes from Psalm 110.

Psalm 110:4 is the direct source of the quotation in Hebrews 7:17 — 'You are a priest forever after the order of Melchizedek.'