KJV:
For to their power, I bear record, yea, and beyond their power they were willing of themselves;
NASB:
For I testify that according to their ability, and beyond their ability, they gave of their own accord,
KJV:
For indeed he accepted the exhortation; but being more forward, of his own accord he went unto you.
NASB:
For he not only accepted our appeal, but being himself very earnest, he has gone to you of his own accord.