Ecclesiastes 1:9 says nothing is new — reinforces that the past wasn't fundamentally different or better.

Genesis 6:11 shows the old days were corrupt and violent — contradicting the nostalgic assumption that past was better.

In Genesis 6:12, the corruption before the flood is total — directly undermines any idealization of the past.

Judges 6:13 shows Gideon lamenting that former days were better—exactly the mindset Ecclesiastes 7:10 rebukes.

Jeremiah 44:17-18 records people longing for the 'good old days' of idolatry—a classic example of this folly.

Psalm 14:3 declares universal corruption — implying no era is morally better, challenging nostalgia.

Romans 3:9-19 declares all under sin — weakens the idea that past was morally superior.