For some of them thought, because Judas had the bag, that Jesus had said unto him, Buy those things that we have need of for the feast; or, that he should give something to the poor.
All Commentaries on John 13:29 Go To John 13
Cyril of Alexandria
AD 444
The disciples failing to understand the force of Christ's words, readily resort to their ideas of what was usual, and suppose that Christ is once more indicating such commands as it was His wont to give. For as the feast was near at hand, they expected He was ordering the one who had the bag to buy something of what was necessary for it, or at least was very probably bidding him discharge that duty of which Christ was ever careful, namely, to give to the needy what He could, according to the resources at His disposal. For the Lord is gracious and merciful, as it is written. And for us also, the example of this occurrence will be found to be most excellent. For I think that those who wish to celebrate a feast in purity of heart and in a manner well-pleasing to God must not regard their own enjoyment alone, nor must they even take thought as to how they themselves alone may keep the feast in all its fullest gladness; but rather they must interweave with their thoughtfulness about themselves the spirit of mercy towards others who are in need. For then, and then only, fulfilling the Divine law of mutual love, shall we in perfection celebrate a truly spiritual feast to the honour of the Saviour Christ. Therefore also the law ordained of old for the Jews concerning the ingathering of the manna, charges those who are able to gather it not to do so for themselves alone: for it says: Gather ye every man for your companions that are in the tents. For if any one of their tent-mates was troubled with sickness, those who were free from that affliction, lending him as it were their own vigour, gathered in with their own measure what was enough for the weak as well; so that, in the words of Scripture: He that gathered much had nothing over, and he that gathered little had no lack. For so it happened, by a sort of mingling of their stores, that the principle of equality was preserved for all. He therefore does dishonour to the example suitable for holy feasts, who does not combine care for the needy with anxiety on his own account. For the union of these would in very truth make a festival perfect.