וְעָבַ֨ר לָכֶ֧ם כָּל־חָל֛וּץ אֶת־הַיַּרְדֵּ֖ן לִפְנֵ֣י יְהוָ֑ה עַ֧ד הוֹרִישׁ֛וֹ אֶת־אֹיְבָ֖יו מִפָּנָֽיו׃
and every armed man of you will pass over the Jordan before the LORD, until He hath driven out His enemies from before Him,
Read kabbalistic (mystical) interpretation of Numbers 32:21: and classical mystical sources.