When God doeth this. — These words may be rendered, since (or, from the time that) God sets (or, determines) it (or, this) — quando faciet ista Deus (Vulgate); or, because God determines it (or, this).
Related Commentaries of Numbers 24:23
Numbers 24:23
23 And he took up his parable, and said, Alas, who shall live when God doeth this!