John 13:35
By <1722> this <5129> shall <1097> <0> all <3956> men know <1097> (5695) that <3754> ye are <2075> (5748) my <1699> disciples <3101>, if <1437> ye have <2192> (5725) love <26> one to another <1722> <240>.
ἐν τούτῳ γνώσονται πάντες ὅτι ἐμοὶ μαθηταί ἐστε, ἐὰν ἀγάπην ἔχητε ἐν ἀλλήλοις.