23 But if moreover any not having charity, which pertains to the unity of spirit and the bond of peace whereby the Catholic Church is gathered and knit together, being involved in any schism, does, that he may not deny Christ, suffer tribulations, straits, hunger, nakedness, persecution, perils, prisons, bonds, torments, swords, or flames, or wild beasts, or the very cross, through fear of hell and everlasting fire; in nowise is all this to be blamed, nay rather this also is a patience meet to be praised. For we cannot say that it would have been better for him that by denying Christ he should suffer none of these things, which he did suffer by confessing Him: but we must account that it will perhaps be more tolerable for him in the judgment, than if by denying Christ he should avoid all those things: so that what the Apostle says, “If I shall give my body to be burned, but have not charity, it profits me nothing,” should be understood to profit nothing for obtaining the kingdom of heaven, but not for having more tolerable punishment to undergo in the last judgment.
Source: On Patience (New Advent)