Parallel
John 13:35
Nestle 1904 Greek New Testament · Berean Standard Bible
ἐν τούτῳ γνώσονται πάντες ὅτι ἐμοὶ μαθηταί ἐστε ἐὰν ἀγάπην ἔχητε ἐν ἀλλήλοις
By this everyone will know that you are My disciples, if you love one another.”