Galatians 4:23
but he who is of the maid-servant, according to flesh hath been, and he who is of the free-woman, through the promise;
Hebrews 11:11
By faith also Sarah herself did receive power to conceive seed, and she bare after the time of life, seeing she did judge Him faithful who did promise;
Genesis 18:10-14
and he saith, 'returning I return unto thee, about the time of life, and lo, to Sarah thy wife a son.'
Genesis 21:1-2
And Jehovah hath looked after Sarah as He hath said, and Jehovah doth to Sarah as He hath spoken;
Romans 9:7-8
nor because they are seed of Abraham are all children, but -- 'in Isaac shall a seed be called to thee;'
Genesis 17:15-19
And God saith unto Abraham, 'Sarai thy wife -- thou dost not call her name Sarai, for Sarah is her name;
Romans 4:18-21
Who, against hope in hope did believe, for his becoming father of many nations according to that spoken: 'So shall thy seed be;'
Romans 10:8
But what doth it say? 'Nigh thee is the saying -- in thy mouth, and in thy heart:' that is, the saying of the faith, that we preach;
Galatians 4:28-29
And we, brethren, as Isaac, are children of promise,