Isa 45:23, Heb 6:13 | JFB | STEP | 23. sworn by myself-- equivalent to, "As I live," as quotes it. So . God could swear by no greater, therefore He swears by Himself ( , ). word ... in righteousness-- rather, "the truth (see on ) is gone forth from My mouth, the word (of promise), and it shall not return (that is, which shall not be revoked)" [Lowth]. But the accents favor English Version. tongue ... swear-- namely, an oath of allegiance to God as their true King (see on ; ). Yet to be fulfilled ( ).

‏ Isaiah 45:23

23. sworn by myself--equivalent to, "As I live," as Ro 14:11 quotes it. So Nu 14:21. God could swear by no greater, therefore He swears by Himself (He 6:13, 16).

word ... in righteousness--rather, "the truth (see on Is 45:19) is gone forth from My mouth, the word (of promise), and it shall not return (that is, which shall not be revoked)" [Lowth]. But the accents favor English Version.

tongue ... swear--namely, an oath of allegiance to God as their true King (see on Is 19:18; Is 65:16). Yet to be fulfilled (Zec 14:9).

‏ Hebrews 6:13

13. For--confirming the reasonableness of resting on "the promises" as infallibly sure, resting as they do on God's oath, by the instance of Abraham. "He now gives consolation, by the oath of God's grace, to those whom, in the second, third, and fourth chapters, he had warned by the oath of God's 'wrath.' The oath of wrath did not primarily extend its force beyond the wilderness; but the oath of grace is in force for ever" [Bengel].