Numbers 32:20-23 And Moses said to them: If you do what you promise, go on well appointed for war before the Lord:

DouayRheims⁽ⁱ⁾ ²⁰ And Moses said to them: If you do what you promise, go on well appointed for war before the Lord: ²¹ And let every fighting man pass over the Jordan, until the Lord overthrow his enemies: ²² And all the land be brought under him, then shall you be blameless before the Lord and before Israel, and you shall obtain the countries that you desire, before the Lord. ²³ But if you do not what you say, no man can doubt but you sin against God: and know ye, that your sin shall overtake you.