Their purpose is to teach people wisdom and discipline, to help them understand the insights of the wise.
Wisdom
This is the god Wisdom instructions
Promise #1212
“Then you will discern the fear of the LORD and discover the knowledge of God. For the LORD gives wisdom; from His mouth come knowledge and understanding. He stores up sound wisdom for the upright; He is a shield to those who walk in integrity.” Proverbs 2:5-6
Promise #491
A house is built by wisdom and becomes strong through good sense. Through knowledge its rooms are filled with all sorts of precious riches and valuables. Proverbs 24:3-4