as one breaketh a potter’s vessel - expressing God’s absolute sovereignty (Jer 18:6; Psa 2:9; Isa 30:14, Margin; Lam 4:2; Rom 9:20, Rom 9:21).
cannot be made whole again - A broken potter’s vessel cannot be restored, but a new one may be made of the same material. So God raised a new Jewish seed, not identical with the destroyed rebels, but by substituting another generation in their stead [Grotius].