John 21:11

For if we determine on the number that should indicate the law, what else can it be but ten? For we have absolute certainty that the Decalogue of the law, that is, those ten well-known precepts, were first written by the finger of God on two tables of stone. But the law, when it is not aided by grace, maketh transgressors, and is only in the letter, on account of which the apostle specially declared, "The letter killeth, but the spirit giveth life." Let the spirit then be added to the letter, lest the letter kill him whom the spirit maketh not alive, and let us work out the precepts of the law, not in our own strength, but by the grace of the Saviour. But when grace is added to the law, that is, the spirit to the letter, there is, in a kind of way, added to ten the number of seven. For this number, namely seven, is testified by the documents of holy writ given us for perusal, to signify the Holy Spirit. Accordingly, when to the number of ten, representing the law, we add the Holy Spirit as represented by seven, we have seventeen; and when this number is used for the adding together of every several number it contains, from 1 up to itself, the sum amounts to one hundred and fifty-three. But it is not on that account merely a hundred and fifty-three saints that are meant as hereafter to rise from the dead unto life eternal, but thousands of saints who have shared in the grace of the Spirit, by which grace harmony is established with the law of God, as with an adversary; so that through the life-giving Spirit the letter no longer kills, but what is commanded by the letter is fulfilled by the help of the Spirit, and if there is any deficiency it is pardoned.

(Tract. cxxii) In the draught before, the number of the fishes is not mentioned, as if in fulfilment of the prophecy in the Psalm, If I should declare them, and speak of them, they should be more than I am able to express; (Ps. 41:7) but here there is a certain number mentioned, which we must explain. The number which signifies the law is ten, from the ten Commandments. But when to the law is joined grace, to the letter spirit, the number seven is brought in, that being the number which represents the Holy Spirit, to Whom sanctification properly belongs. For sanctification was first heard of in the law, with respect to the seventh day; and Isaiah praises the Holy Spirit for His sevenfold work and office. The seven of the Spirit added to the ten of the law make seventeen; and the numbers from one up to seventeen when added together, make a hundred and fifty-three. (Tract. cxxii) It is not then signified that only a hundred and fifty-three saints are to rise again to eternal life, but this number represents all who partake of the grace of the Holy Spirit: which number too contains three fifties, and three over, with reference to the mystery of the Trinity. And the number fifty is made up of seven sevens, and one in addition, signifying that those sevens are one. That they were great fishes too, is not without meaning. For when our Lord says, I came not to destroy the law, but to fulfil, by giving, that is, the Holy Spirit through Whom the law can be fulfilled, He says almost immediately after, Whosoever shall do and teach them, the same shall be called great in the kingdom of heaven. In the first draught the net was broken, to signify schisms; but here to show that in that perfect peace of the blessed there would be no schisms, the Evangelist continues: And for all they were so great, yet was not the net broken; as if alluding to the case before, in which it was broken, and making a favourable comparison.

To Peter was the holy Church committed; to him is it specially said, Feed My sheep. That then which is afterwards declared by word, is now signified by act. He it is who draws the fishes to the firm shore, because he it was who pointed out the stability of the eternal country to the faithful. This he did by word of mouth, by epistles; this he does daily by signs and miracles. After saying that the net was full of great fishes, the number follows: Full of great fishes, an hundred and fifty and three. (Hom. xxiv.) Seven and ten multiplied by three make fifty-one. The fiftieth year was a year of rest to the whole people from all their work. In unity is true rest; for where division is, true rest cannot be.

(Tract. cxxii) Mystically, in the draught of fishes He signified the mystery of the Church, such as it will be at the final resurrection of the dead. And to make this clearer, it is put near the end of the book. The number seven, which is the number of the disciples who were fishing, signifies the end of time; for time is counted by periods of seven days. (Tract. cxxii) The shore is the end of the sea, and therefore signifies the end of the world. The Church is here typified as she will be at the end of the world, just as other draughts of fishes typified her as she is now. Jesus before did not stand on the shore, but went into a ship which was Simon's, and asked him to put out a little from the land. In a former draught the nets are not thrown to the right, or to the left, so that the good or the bad should be typified alone, but indifferently: Let down your nets for a draught, (Luke 5:4) meaning that the good and bad were mixed together. But here it is, Cast the net on the right side of the ship; to signify those who should stand on the right hand, the good. The one our Lord did at the beginning of His ministry, the other after His resurrection, showing therein that the former draught of fishes signified the mixture of bad and good, which composes the Church at present; the latter the good alone, which it will contain in eternity, when the world is ended, and the resurrection of the dead completed. But they who belong to the resurrection of life, i. e. to the right hand, and are caught within the net of the Christian name, shall only appear on the shore, i. e. at the end of the world, after the resurrection: wherefore they were not able to draw the net into the ship, and unload the fishes, as they were before. The Church keeps these of the right hand, after death, in the sleep of peace, as it were in the deep, till the net come to shore. That the first draught was taken in two little ships, the last two hundred cubits from land, a hundred and a hundred, typifies, I think, the two classes of elect, circumcised and uncircumcised.

But some one will reply, And why did he not find them, when the Lord had promised, saying, "Seek first the kingdom and righteousness of God, and all these things shall be added unto you"? Precisely also in this very way did the Lord fulfill His promise. For who else placed there the fishes that were to be caught, but He, who, we are bound to believe, threw them into the penury that compelled them to go a fishing, for no other reason than that He wished to show them the miracle He had prepared, that so He might both feed the preachers of His gospel, and at the same time enhance that gospel itself, by the great mystery which He was about to impress on their minds by the number of the fishes.