a commonplace book
The simple believes every word, but the prudent considers well his steps.
The first one to plead his cause seems right, until his neighbor comes and examines him.
Proverbs 14:15; 18:17 (NKJV)
These proverbs form a basic Biblical thesis arguing for critical inquiry of what we perceive as well as receive. Unlike McDurmon, I would argue that these proverbs imply a certain skepticism as ingredient to inquiry, particularly where human sources are concerned.
Combined with the opening to Proverbs, a qualification: “…a wise man will hear and increase learning.” Hence a twofold imperative: