Solomon
Proverbs 16:17ESV·traditional attribution

The highway of the upright turns aside from evil; whoever guards his way preserves his life.

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. It is the way of the upright to avoid sin, and every thing that looks like it and leads towards it; and this is a highway marked out by authority, tracked by many that have gone before us, and in which we meet with many that keep company with us; it is easy to find and safe to be travelled in, like a highway, Isa 35:8.

John Gill Reformed Baptist @doctorgill

The highway of the upright is to depart from evil,.... Upright persons, such who are upright in heart, and walk uprightly; these walk in the highway of holiness, in which men, though fools, shall not err; in the King's highway, the highway of the King of kings; in the plain beaten path of God's commandments; and so shun the bypaths of sin, and abstain from...

Jamieson-Fausset-Brown Reformed @jfbcommentary

The highway--A common, plain road represents the habitual course of the righteous in departing from evil. keepeth--observes.