What does Proverbs 15:22 mean?

A frequent command in the book of Proverbs is to seek and apply good advice (Proverbs 11:14; 12:15; 19:20; 20:18). Making plans rashly, or without seeking useful input from others, implies someone with an exalted opinion of himself. No one can see all possible facets of a situation by himself; he needs to gain the perspectives of others (Proverbs 18:17; 27:17).

Moses' father-in-law Jethro wisely advised Moses to surround himself with "able men from all the people, men who fear God, who are trustworthy and hate a bribe, and place them over the people as chiefs of thousands, of hundreds, of fifties, and of tens. And let them judge the people at all times" (Exodus 18:21–22). The Lord has blessed the church with gifted individuals who can offer sound counsel so the church can succeed in its mission (Romans 12:3–8; 1 Corinthians 12:4–11; Ephesians 4:11–14; 1 Peter 4:8–11). If a leader in the church fails to avail himself of the counsel of gifted members of the congregation, his plans are doomed from the start.