Ecclesiastes 1:9
The thing that hath been, it is that which shall be; and that which is done is that which shall be done: and there is no new thing under the sun.
Cross-reference
In Ecclesiastes 3:15, the same cyclical pattern is affirmed: whatever now exists has already been, echoing 'nothing new under the sun'.
In Ecclesiastes 7:10, the author applies this reasoning: longing for the 'good old days' is foolish because nothing truly changes.
Ecclesiastes 6:10 restates the idea: everything that exists has already been determined, reinforcing the 'nothing new' theme.
In Isaiah 43:19, God declares He is doing a new thing — a direct contrast to the claim that there is nothing new under the sun.
Jeremiah 31:22 announces a new thing God is creating, opposing the idea that nothing new ever happens.
Revelation 21:1 reveals a new heaven and earth, directly challenging the 'nothing new' claim with God's ultimate renewal.
In Revelation 21:5, God declares He is making all things new — the ultimate antithesis to 'nothing new under the sun'.
2 Peter 3:4 records scoffers using the 'nothing new' argument to deny Christ's return — a worldly application of the observation.