Hebrews 7:24

ὁ δέ, διὰ τὸ μένειν αὐτὸν εἰς τὸν αἰῶνα, ἀπαράβατον ἔχει τὴν ἱερωσύνην.

o de, dia to menein ayton eis ton aiōna, aparabaton echei tēn ierōsynēn.

King James Version (KJV)

But this man, because he continueth ever, hath an unchangeable priesthood.

Modern English

but because Jesus lives forever, he has a permanent priesthood.