Numbers 33:55

Nails. Septuagint, "goads," &c., by which they will force you in a manner to gratify your curiosity, by an imitation of their idol worship; and thus will prove to you more dangerous, than if you had nails piercing your eyes. See Josue xxiii. 13., and Ezechiel xxviii. 24. These abandoned nations must not be spared through a false pity, Deuteronomy xx. 16. (Calmet) --- The Israelites, however, proved negligent, and God made use of the remains of these nations to scourge his people, and to train them for war. (Du Hamel)