Solomon
Proverbs 1:4ESV·traditional attribution

to give prudence to the simple, knowledge and discretion to the youth—

Matthew Henry Presbyterian @wholebiblehenry

We have here an introduction to this book, which some think was prefixed by the collector and publisher, as Ezra; but it is rather supposed to have been penned by Solomon himself, who, in the beginning of his book, proposes his end in writing it, that he might keep to his business, and closely pursue that end. We are here told, I. Who wrote these wise sayings, Pro 1:1.

Commenting on Proverbs 1:1-6

John Gill Reformed Baptist @doctorgill

To give subtlety to the simple,.... Men of mean abilities, weak capacities, shallow understandings, incautious, credulous, and easily imposed upon: these, by attending to what is herein contained, may arrive to a serpentine subtlety; though they are simple and harmless as doves, may become as wise as serpents; may attain to an exquisite knowledge of divine things and know even more than the wise and...

Jamieson-Fausset-Brown Reformed @jfbcommentary

simple--one easily led to good or evil; so the parallel. young man--one inexperienced. subtilty--or prudence (Pro 3:21; Pro 5:21). discretion--literally, "device," both qualities, either good or bad, according to their use. Here good, as they imply wariness by which to escape evil and find good.