Parallel
1 John 1:8
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ἐὰν εἴπωμεν ὅτι ἁμαρτίαν οὐκ ἔχομεν, ἑαυτοὺς πλανῶμεν καὶ ἡ ἀλήθεια οὐκ ἔστιν ἐν ἡμῖν.
If we say we have no sin, we deceive ourselves, and the truth is not in us.