Parallel
1 John 3:11
Nestle 1904 Greek New Testament · Berean Standard Bible
Ὅτι αὕτη ἐστὶν ἡ ἀγγελία ἣν ἠκούσατε ἀπ’ ἀρχῆς ἵνα ἀγαπῶμεν ἀλλήλους
This is the message you have heard from the beginning: We should love one another.