KJV:
Now we beseech you, brethren, by the coming of our Lord Jesus Christ, and by our gathering together unto him,
NASB:
Now we request you, brethren, with regard to the coming of our Lord Jesus Christ and our gathering together to Him,
KJV:
Not forsaking the assembling of ourselves together, as the manner of some is; but exhorting one another: and so much the more, as ye see the day approaching.
NASB:
not forsaking our own assembling together, as is the habit of some, but encouraging one another; and all the more as you see the day drawing near.