John Gill Commentary Proverbs 4:5

"Get wisdom, get understanding; Forget not, neither decline from the words of my mouth;" — Proverbs 4:5 (ASV)

Get wisdom, get understanding Not only moral and political wisdom and understanding, but that which is spiritual and evangelical; Christ, and the knowledge of him; he being the only happy man that has an interest in him, and is possessed of him by faith, which is the meaning of getting him; (See Gill on Proverbs 3:13); by which it appears, that what Solomon had before delivered, and afterwards repeats and urges, was the same his father David, that wise, great, and good man, taught him; and which he mentions, the more to recommend the getting of wisdom and understanding to others.

forget [it] not When gotten, keep it in remembrance; be continually meditating on Wisdom, or Christ, his glories and excellencies; the fulness of grace and truth in him; the blessings of goodness which come by him; the great use and profit of having and enjoying him.

neither decline from the words of my mouth The above instructions, and all others he gave unto him.