Proverbs 20:18 in the World English Bible
Plans are established by advice; by wise guidance you wage war!
Context
17 Bread of deceit is sweet to a man; but afterwards his mouth shall be filled with gravel.
18 Every purpose is established by counsel: and with good advice make war.
19 He that goeth about as a talebearer revealeth secrets: therefore meddle not with him that flattereth with his lips.