Or it may be that fire is of such nature that it can burn invisible substances, being itself invisible, as the Apostle speaks, “The things which are seen are temporal, but the things which are not seen are eternal.” [2 Cor 4:18] Wonder not when you hear that there is afire which though unseen has power to torture, when you see that there is an internal fever which comes upon men, and pains them grievously.
It follows, “I was an hungred, and ye gave me no meat.” It is written to the believers, “Ye are the body of Christ.” [1 Cor 12:27] As then the soul dwelling in the body, though it hungers not in respect of its spiritual substance, yet hungers for the food of the body, because it is yoked to the body; so the Saviour suffers whatever His body the Church suffers, though He Himself be impassible.
And observe how in speaking to the righteous He reckons up their good deeds under their several kinds, but to the unrighteous He cuts short the description under the one head, “I was sick and in prison, and ye visited me not,” because it was the part of a merciful Judge to enlarge and dwell upon men’s good deeds, but to pass lightly and cursorily over their evil deeds.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).