They that were foolish took their lamps, and took no oil with them:
All Commentaries on Matthew 25:3 Go To Matthew 25
Augustine of Hippo
AD 430
It is some great thing, some exceedingly great thing, that this oil signifies. Do you think it might be charity? If we try out this hypothesis, we hazard no precipitate judgment. I will tell you why charity seems to be signified by the oil. The apostle says, “I will show you a still more excellent way.” “If I speak with the tongue of mortals and of angels but do not have love, I am a noisy gong or a clanging cymbal.” This is charity. It is “that way above the rest,” which is with good reason signified by the oil. For oil swims above all liquids. Pour in water, and pour in oil upon it; the oil will swim above. Pour in oil, pour in water upon it; the oil will swim above. If you keep the usual order, it will be uppermost; if you change the order, it will be uppermost. “Charity never fails.”