John Trapp on John 18:9

Verſe 9. That the ſaying might be fulfilled, &c.] Chriſt ſpake it of their fouls, it is here applied to their bodies. God hath a fatherly care of both, and will not lay more upon the outward man, then the inward ſhall be enabled to undergoe. Hence that of the Prophet, Behold, I have tried thee, but not as ſilver, Why ſo? Iſa. 48.10. Becauſe Gods weak children having far more droſſe in them, then good oare, would never be able to abide a ſtrict triall.