4 Bible Verses about Sinlessness

That he may establish your hearts unblameable in holiness (before our God and Father, at the coming of our Lord Jesus Christ) with all his saints.

And the God of peace himself sanctify you wholly: and may the whole of you, the spirit and the soul and the body, be preserved blameless unto 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.