Psalm 49:3 also links mouth and heart — speaking wisdom from the heart, similar to the psalmist's stirred heart producing verses.

Job 32:18-20 echoes the same compulsion to speak — Elihu is full of words and must release them, just as the psalmist's heart stirs.

Matthew 12:35 reinforces that good words flow from a good heart — the same principle of heart overflow producing noble speech.

Numbers 26:11 records the survival of Korah's line, the family that authored this psalm — a direct historical link.

1 Chronicles 6:37 traces the genealogy of Korah's descendants, confirming the lineage of the Sons of Korah who wrote this psalm.

Ephesians 5:32 interprets marriage as a mystery of Christ and the church, which Psalm 45's royal wedding typologically prefigures.

2 Samuel 23:2 claims divine inspiration for David's words, similar to the psalmist's claim of a stirred heart and skillful tongue.

Job 33:3 emphasizes upright heart and sincere lips — a parallel to the psalmist's heart stirred to speak noble words.

Proverbs 8:6-9 personifies wisdom speaking what is right and true — similar to the psalmist's noble theme from a stirred heart.

Proverbs 16:23 shows the heart guiding speech — wise hearts make mouths prudent, paralleling the heart-stirred noble words here.