Their strength is to sit still “Rahab the Inactive” - The two last words, הם שבת hem shabeth, joined into one, make the participle pihel המשבת hammeshabbeth. I find the learned Professor Doederlein, in his version of Isaiah, and note on this place, has given the same conjecture; which he speaks of as having been formerly published by him. A concurrence of different persons in the same conjecture adds to it a greater degree of probability.