Hebrews 7:21

English Standard Version

21 but this one was made a priest with an oath by the one who said to him: “The Lord has sworn and will not change his mind, ‘You are a priest forever.’” (Heb 7:17) 

New International Version

21 but he became a priest with an oath when God said to him: ‘The Lord has sworn and will not change his mind: “You are a priest for ever.” ’ (Ps 110:4) 

New International Reader’s Version

21 But Jesus became a priest with a promise. God said to him, ‘The Lord has given his word and made a promise. He will not change his mind. He has said, “You are a priest for ever.” ’ (Ps 110:4) 

King James Version

21 (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:) 

Copyright: English Standard Version – The ESV® Bible (The Holy Bible, English Standard Version®) copyright ©2001 by Crossway Bibles, a publishing ministry of Good News Publishers. ESV® Text Edition: 2016. The ESV® text has been reproduced in cooperation with and by permission of Good News Publishers. Unauthorized reproduction of this publication is prohibited. All rights reserved. The ESV® Bible (The Holy Bible, English Standard Version®) is adapted from the Revised Standard Version of the Bible, copyright Division of Christian Education of the National Council of the Churches of Christ in the U.S.A. All rights reserved. | New International Version – Holy Bible, New International Version ® (Anglicised), NIV TM Copyright © 1979, 1984, 2011 by Biblica, Inc. Used with permission. All rights reserved worldwide. The “New International Version” is a trademark registered in the European Union Intellectual Property Office (EUIPO) and United States Patent and Trademark Office by Biblica, Inc. The “NIV”, “Biblica”, “International Bible Society” and the Biblica Logo are trademarks registered in the United States Patent and Trademark Office by Biblica, Inc. Used with permission. | New International Reader’s Version – Holy Bible, New International Reader’s Version®, NIrV® (Anglicised) Copyright © 1995, 1996, 1998, 2014 by Biblica, Inc.® Used with permission. All rights reserved worldwide. “Biblica”, “International Bible Society” and the Biblica Logo are trademarks registered in the United States Patent and Trademark Office by Biblica, Inc. Used with permission. | King James Version – King James Bible (1769). Public Domain. Please note the following exceptions for use and publication in the United Kingdom: Cambridge University Press