KJV:
Be ye also patient; stablish your hearts: for the coming of the Lord draweth nigh.
NASB:
You too be patient; strengthen your hearts, for the coming of the Lord is near.
KJV:
But the God of all grace, who hath called us unto his eternal glory by Christ Jesus, after that ye have suffered a while, make you perfect, stablish, strengthen, settle you.
NASB:
After you have suffered for a little while, the God of all grace, who called you to His eternal glory in Christ, will Himself perfect, confirm, strengthen and establish you.
KJV:
Wherefore I will not be negligent to put you always in remembrance of these things, though ye know them, and be established in the present truth.
NASB:
Therefore, I will always be ready to remind you of these things, even though you already know them, and have been established in the truth which is present with you.