There is treasure to be desired and oil in the dwelling of the wise; but a foolish man spendeth it up.
– Proverbs 21:20
This proverb is straightforward and we shouldn’t pull its punch by trying to spiritualize it. Wisdom says the wise lay up in store and the foolish squander all they have. The word for wise means skillful and is used throughout Proverbs to refer to living prudently and righteously. Proverbs never instructs to seek wealth (Proverbs 23:4-5; 28:22), nor does it instruct to seek poverty (30:7-9). Rather, Proverbs instructs to sacrificially and persistently seek wisdom, for it is more important and valuable than earthly treasures (Proverbs 2:2-4; 3:14-15; 8:18-19; 16:16; 23:23). While Proverbs never promises wealth to those who acquire wisdom, wealth will generally come to those who acquire money wisely (Proverbs 10:4; 11:8; 16:11; 21:6; 22:22-23), and use money wisely (Proverbs 3:9-10, 27-28; 6:6-8; 11:24-26; 13:22; 22:9; 28:27; 31:16, 20-22). Proverbs also warns that wealth can be lost through folly (Proverbs 11:6; 21:5; 23:20-2124:30-31; 27:23-27; 28:22).