I would think that the foundation of the book of Proverbs is the Lord Himself Who appeared unto Solomon and granted him his desire for wisdom by which to lead His people. According to Solomon's own testimony, he certainly seems to have sought the Lord for words of wisdom by which to lead His people and specifically the proverbs which he penned and which he said were given by one shepherd. Is not this one shepherd Christ?
Ecclesiastes chapter 12 verses 9 thru 12
And moreover, because the preacher was wise, he still taught the people knowledge; yea, he gave good heed, and sought out, and set in order many proverbs.
The preacher sought to find out acceptable words: and that which was written was upright, even words of truth.
The words of the wise are as goads, and as nails fastened by the masters of assemblies, which are given from one shepherd.
And further, by these, my son, be admonished: of making many books there is no end; and much study is a weariness of the flesh.
Off the top of my head, I'm not sure that I can think of a book of the Bible which offers more practical wisdom and advice in regard to what types of women men should both desire and avoid than the book of Proverbs