“Jesus Christ the same yesterday, and to day, and for ever.” (Heb. 13:8 KJV)

Same: identical, not different, equal, changeless, consistent, constant, unchanging, unfailing, invariable, invariant, regular, steady.

God does not change

“For I the Lord do not change; therefore you, O children of Jacob, are not consumed.” (Mal. 3:16 ESV)

There is no variation or shadow due to change

“Every good gift and every perfect gift is from above, coming down from the Father of lights with whom there is no variation or shadow due to change.” (James 1:17 ESV)

Now and for eternity

“To the only God our Savior be glory, majesty, dominion, and authority, through Jesus Christ our Lord, before all time, and now, and for all eternity. Amen.” (Jude 1:25 NIV)

God’s Word will stand forever

“God is not man, that he should lie, or a son of man, that he should change his mind. Has he said, and will he not do it? Or has he spoken, and will he not fulfill it?” (Num. 23:19 ESV)

“The grass withers, the flower fades, but the word of our God will stand forever.” (Is. 40:8 ESV)