KJV:
Seest thou how faith wrought with his works, and by works was faith made perfect?
NASB:
You see that faith was working with his works, and as a result of the works, faith was perfected;
KJV:
But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are in him.
NASB:
but whoever keeps His word, in him the love of God has truly been perfected. By this we know that we are in Him:
KJV:
No man hath seen God at any time. If we love one another, God dwelleth in us, and his love is perfected in us.
NASB:
No one has seen God at any time; if we love one another, God abides in us, and His love is perfected in us.