4 Bible Verses about Sinlessness

to the end that He may establish your hearts unblamable in holiness before our God and Father, at the coming of our Lord Jesus with all His saints.

And the God of peace Himself sanctify you wholly; and may your spirit and soul and body be preserved entire, without blame at the coming of our Lord Jesus Christ.

If we say, "We have not sinned," we make Him a liar, and His word is not in us.