4 Bible Verses about Sinlessness

in order that he may establish your hearts blameless in holiness, in the presence of our God and Father, at the coming of our Lord Jesus Christ with all his saints.

Now the God of peace himself sanctify you wholly; and may your whole spirit and soul and body be preserved blameless at the coming of our Lord Jesus Christ.

If we say that we have not sinned, we make him a liar, and his word is not in us.