Proverbs 23:15
My son, if thine heart be wise, my heart shall rejoice, even mine.
Cross-reference
Proverbs 23:24 directly echoes this: 'The father of the righteous will greatly rejoice; he who fathers a wise son will be glad in him.'
Proverbs 23:25 continues the theme: both parents rejoice when their child is wise.
Proverbs 10:1 states 'A wise son makes a glad father' — the same proverb, contrasting with a foolish son's sorrow.
Proverbs 15:20 repeats the idea: a wise son brings father gladness, while a foolish man despises his mother.
Proverbs 29:3 links loving wisdom to making one's father glad — directly parallel to the father's joy here.
Proverbs 17:21 contrasts directly: a foolish son brings grief and no joy, while here a wise son makes the father glad.
Proverbs 27:11 echoes the same call: 'Be wise, my son, and make my heart glad' — almost identical wording and theme.
In 2 John 1:4, John rejoices over children walking in truth — a direct parallel to a father's gladness over a wise son.
In 3 John 1:4, John says his greatest joy is hearing his children walk in truth — same fatherly joy as in Proverbs.