The study of truth commended. God must be feared, honored, and trusted, and filial submission, under chastisement, exhibited. The excellence of wisdom urged and illustrated by its place in the divine counsels. Piety enforced by a contrast of the destiny of the righteous and the wicked. (Pro. 3:1-35) law [and] commandments--all divine instructions (see on Psa 119:1 and Psa 119:4). let thine heart keep--or sincerely observe (Pro 4:13; Pro 5:2).