KJV:
And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sara's womb:
NASB:
Without becoming weak in faith he contemplated his own body, now as good as dead since he was about a hundred years old, and the deadness of Sarah's womb;
KJV:
For this is the word of promise, At this time will I come, and Sara shall have a son.
NASB:
For this is the word of promise: "AT THIS TIME I WILL COME, AND SARAH SHALL HAVE A SON."
KJV:
Through faith also Sara herself received strength to conceive seed, and was delivered of a child when she was past age, because she judged him faithful who had promised.
NASB:
By faith even Sarah herself received ability to conceive, even beyond the proper time of life, since she considered Him faithful who had promised.