Albert Barnes Commentary Proverbs 30:9

"Lest I be full, and deny [thee], and say, Who is Jehovah? Or lest I be poor, and steal, And use profanely the name of my God." — Proverbs 30:9 (ASV)

The special dangers of the two extremes. Wealth tempts to pride, unbelief, and a scorn like that of Pharaoh (Exodus 5:2); poverty to dishonesty, and then to perjury, or to the hypocritical profession of religion which is practically identical with it.