New Revised Standard Version
Plans are established by taking advice; wage war by following wise guidance.

Contemporary English Version
Be sure you have sound advice before making plans or starting a war.

New American Bible
Plans made with advice succeed; with wise direction wage your war.

Douay-Rheims Bible
Designs are strengthened by counsels: and wars are to be managed by governments.

Designs are strengthened by counsels: and wars are to be managed by governments.

purpose

Proverbs 15:22 Designs are brought to nothing where there is no counsel: but where there are many counsellors, they are established.

Proverbs 24:6 Because war is managed by due ordering: and there shall be safety where there are many counsels.

and

Proverbs 25:8 The things which thy eyes have seen, utter not hastily in a quarrel: lest afterward thou mayst not be able to make amends, when thou hast dishonoured thy friend.

Judges 1:1,2 After the death of Joshua, the children of Israel consulted the Lord, saying: Who shall go up before us against the Chanaanite, and shall be the leader of the war? . . .

Judges 9:29 Would to God that some man would put this people under my hand, that I might remove Abimelech out of the way. And it was said to Abimelech: Gather together the multitude of an army, and come.

Judges 20:7,18,23,26-28 You are all here, O children of Israel, determine what you ought to do. . . .

2 Samuel 2:26,27 And Abner cried out to Joab, and said: Shall thy sword rage unto utter destruction? knowest thou not that it is dangerous to drive people to despair? how long dost thou defer to bid the people cease from pursuing after their brethren? . . .

2 Chronicles 25:17-23 Then Amasias king of Juda taking very bad counsel, sent to Joas the son of Joachaz the son of Jehu, king of Israel, saying: Come, let us see one another. . . .

Luke 14:31 Or, what king, about to go to make war against another king, doth not first sit down and think whether he be able, with ten thousand, to meet him that, with twenty thousand, cometh against him?