He is swift. — That is — each of these rebels against the light is swift to make his escape over the face of the waters. So we ought to read it, and not, with Authorised Version, as a comparison.
Their portion is cursed in the earth. — That is, men so regard it; it has an evil name, and is of bad repute.
He beholdeth not. — Rather, he — that is, each of them — turneth not the way of the vineyards, which is frequented and cultivated, but chooseth rather lone, desolate, solitary, and rugged paths.