KJV - (For those priests were made without an oath; but this with an oath by him that said unto him, The Lord sware and will not repent, Thou art a priest for ever after the order of Melchisedec:)
ASV - (for they indeed have been made priests without an oath; but he with an oath by him that saith of him, The Lord sware and will not repent himself, Thou art a priest for ever);
BBE - (For those were made priests without an oath, but this one was made a priest with an oath by him who says of him, The Lord gave his oath, which he will not take back, that you are a priest for ever);
WEB - (for they indeed have been made priests without an oath), but he with an oath by him that says of him, "The Lord swore and will not change his mind, 'You are a priest forever, According to the order of Melchizedek'".
YLT - and he with an oath through Him who is saying unto him, `The Lord sware, and will not repent, Thou `art' a priest -- to the age, according to the order of Melchisedek;')