KJV:
For the mystery of iniquity doth already work: only he who now letteth will let, until he be taken out of the way.
NASB:
For the mystery of lawlessness is already at work; only he who now restrains will do so until he is taken out of the way.
KJV:
Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.
NASB:
Therefore, confess your sins to one another, and pray for one another so that you may be healed. The effective prayer of a righteous man can accomplish much.