Psalm 90:4 portrays God's timelessness—a thousand years as a day—complementing the unchanging eternal nature in Psalm 102:27.

Psalm 92:8 declares the LORD is forever exalted, directly paralleling the theme of God's unchanging eternal nature in Psalm 102:27.

Job 36:26 says God's years are past finding out, reinforcing the endlessness of God's existence in Psalm 102:27.

Malachi 3:6 directly states 'I the Lord do not change,' reinforcing the same truth of God's unchanging nature from Psalm 102:27.

In John 8:58, Jesus declares 'I am' before Abraham, claiming the eternal existence attributed to God in Psalm 102:27.

Hebrews 13:8 applies the same unchanging nature to Jesus Christ, echoing Psalm 102:27's description of God.

James 1:17 says God does not change like shifting shadows, paralleling the unchanging God of Psalm 102:27.

Revelation 1:8 describes God as 'who is and who was and who is to come,' echoing the eternal constancy of Psalm 102:27.

In Revelation 1:17, Jesus says 'I am the First and the Last,' claiming the eternal identity of God from Psalm 102:27.

Revelation 1:18 declares Jesus 'alive for ever and ever,' reflecting the endless years of God in Psalm 102:27.

Deuteronomy 32:39 echoes God's unique, unchanging sovereignty—He alone controls life and death, reinforcing the eternal constancy of Psalm 102:27.

Isaiah 46:4 affirms God's unchanging care from birth to old age, mirroring the same enduring faithfulness as Psalm 102:27's 'you remain the same.'

Hebrews 12:27 contrasts what can be shaken with what cannot—pointing to God's unshakable, eternal nature that Psalm 102:27 describes.