Hebrews 13:8

“Jesus Christ, the same yesterday, and today, and for ever.] Who is the substance of the word spoken by the above mentioned rulers, the author and object of their faith, and the end in which their conversation terminated. These words may be expressive of the duration of Christ: he was “yesterday”, which does not design the day immediately foregoing, nor some little time past, but ancient times, formerly, of old; and though it does not extend to eternity, which is true of Christ, yet may be carried further than to the days of his flesh here on earth, even to the whole Old Testament dispensation; yea, to the beginning of the world, when he existed not only as the eternal Word, the everlasting…”

“This verse is not, as some read it, in apposition with "the end of their conversation" (Heb 13:7), but forms the transition. "Jesus Christ, yesterday and to-day (is) the same, and (shall be the same) unto the ages (that is, unto all ages)." The Jesus Christ (the full name being given, to mark with affectionate solemnity both His person and His office) who supported your spiritual rulers through life even unto their end "yesterday" (in times past), being at once "the Author and the Finisher of their faith" (Heb 12:2), remains still the same Jesus Christ "to-day," ready to help you also, if like them you walk by "faith" in Him. Compare "this same Jesus," Act 1:11. He who yesterday (proverbial…”

“Jesus Christ the same yesterday ... - As this stands in our common translation, it conveys an idea which is not in the original. It would seem to mean that Jesus Christ, the unchangeable Saviour, was the end or aim of the conduct of those referred to, or that they lived to imitate and glorify him. But this is by no means the meaning in the original. There it stands as an absolute proposition, that “Jesus Christ is the same yesterday, today, and forever;” that is, that he is unchangeable. The evident design of this independent proposition here is, to encourage them to persevere by showing that their Saviour was always the same; that he who had sustained his people in former times, was the…”

“Men may die; but Jesus Christ, yea, and his gospel, is the same from everlasting to everlasting. Hebrews 13:9”

“13:8 Though the community was facing new challenges, Jesus Christ is the same, and his Good News does not change. • yesterday: Jesus was the Father’s agent in creation (1:2, 10). • today: Jesus currently sits at the Father’s right hand (1:13; 7:26-28; 10:12). He will rule the universe forever (1:8, 10-12).”

“Heb 1:12; Psa 90:2, Psa 90:4, Psa 102:27, Psa 102:28, Psa 103:17; Isa 41:4, Isa 44:6; Mal 3:6; Joh 8:56-58; Jam 1:17; Rev 1:4, Rev 1:8, Rev 1:11, Rev 1:17, Rev 1:18 Hebrews 13:9”