John Calvin on 1 John 2:14

14 I have written unto you, fathers These repetitions I deem superfluous; and it is probable that when unskillful readers falsely thought that he spoke twice of little children, they rashly introduced the other two clauses. It might at the same time be that John himself, for the sake of amplifying, inserted the second time the sentence respecting the young men, (for he adds, that they were strong, which he had not said before;) but that the copyists presumptuously filled up the number. There are no different readings that can justify the supposition of an interpolation. The only reading that Griesbach considers probable is ἔγραψα for γράφω at the end of the 13th verse. If that be adopted, then the three characters are twice mentioned, and in regular order. The objection that τεκνία in ver. 12, is παιδία in ver. 13, is not valid, for he uses the latter in the same sense as the former in ver. 18, as denoting Christians in general; while here, in connection with “fathers” and “young men,” they must mean those young in years or in the profession of the gospel. The repetition is for the sake of emphasis. — Ed

1 John 2:15-17

15. Love not the world, neither the things that are in the world. If any man love the world, the love of the Father is not in him.

15. Ne diligatis mundum, neque ea quae in mundo sunt: si quis diligit mundum non est charitas Patris in eo.

16. For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world.

16. Quia quicquid est in mundo (nempe concupiscentia carnis, concupiscentia oculorum, et superbia vitae) non est ex Patre, sed ex mundo est.

17. And the world passeth away, and the lust thereof: but he that doeth the will of God abideth for ever.

17. Atqui mundus transit, et concupiscentia ejus; qui autem facit voluntatem Dei manet in aeternum.