KJV:
And they were both righteous before God, walking in all the commandments and ordinances of the Lord blameless.
NASB:
They were both righteous in the sight of God, walking blamelessly in all the commandments and requirements of the Lord.
KJV:
That ye may be blameless and harmless, the sons of God, without rebuke, in the midst of a crooked and perverse nation, among whom ye shine as lights in the world;
NASB:
so that you will prove yourselves to be blameless and innocent, children of God above reproach in the midst of a crooked and perverse generation, among whom you appear as lights in the world,
KJV:
Concerning zeal, persecuting the church; touching the righteousness which is in the law, blameless.
NASB:
as to zeal, a persecutor of the church; as to the righteousness which is in the Law, found blameless.
KJV:
To the end he may stablish your hearts unblameable in holiness before God, even our Father, at the coming of our Lord Jesus Christ with all his saints.
NASB:
so that He may establish your hearts without blame in holiness before our God and Father at the coming of our Lord Jesus with all His saints.