KJV - For this is the word of promise, At this time will I come, and Sarah shall have a son.

ASV - For this is a word of promise, According to this season will I come, and Sarah shall have a son.

BBE - For this is the word of God's undertaking, At this time will I come, and Sarah will have a son.

WEB - For this is a word of promise, "At the appointed time I will come, and Sarah will have a son."

YLT - for the word of promise `is' this; `According to this time I will come, and there shall be to Sarah a son.'

Notes