1 Kings 4:32 records Solomon speaking 3,000 proverbs — the very activity of arranging proverbs that Ecclesiastes 12:9 attributes to the Preacher.

In 1 Kings 10:8, the queen of Sheba praises those who hear Solomon's wisdom — directly illustrating the wisdom teaching described in Ecclesiastes 12:9.

Proverbs 1:1 introduces 'proverbs of Solomon' — the same collection that Ecclesiastes 12:9 says the Preacher arranged and studied.

Proverbs 10:1 repeats 'proverbs of Solomon,' identifying the source of the wisdom teachings that Ecclesiastes 12:9 says the Preacher compiled.

Proverbs 25:1 mentions proverbs of Solomon copied by Hezekiah's men — showing the tradition of collecting his wisdom, which Ecclesiastes 12:9 summarizes.

Proverbs 4:11 has a father teaching the way of wisdom, directly mirroring the Preacher's instruction of the people.

Proverbs 15:7 states that the lips of the wise spread knowledge, exactly what the Preacher does.

In Matthew 13:52, a scribe trained for the kingdom brings out old and new treasures, like the Preacher's work of arranging proverbs.

In Luke 1:3, Luke's careful ordering of his Gospel echoes the Preacher's methodical compiling and arranging of proverbs.

Proverbs 20:15 calls the lips of knowledge a precious jewel, aligning with the Preacher's valuable teaching.

1 Corinthians 3:10 uses the 'skilled master builder' metaphor, mirroring the Preacher's deliberate arranging of proverbs into a wise structure.