Parallel
1 John 2:4
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ὁ λέγων, ἔγνωκα αὐτόν, καὶ τὰς ἐντολὰς αὐτοῦ μὴ τηρῶν, ψεύστης ἐστί, καὶ ἐν τούτῳ ἡ ἀλήθεια οὐκ ἔστιν·
If anyone says, “I know Him,” but does not keep His commandments, he is a liar, and the truth is not in him.