By faith also Sarah herself received strength to conceive seed and was delivered of a child when she was past age, because she judged Him who had promised to be faithful.
And the woman conceived and bore a son at that time that Elisha had said to her, according to the time of life.
And behold, your cousin Elizabeth also conceived a son in her old age. And this is the sixth month with her who was called barren.
That is, not the children of the flesh are children of God; but the children of the promise are counted for a seed.
But, indeed, he out of the slave-woman has been born according to flesh, and he out of the free woman through the promise;
Let us hold fast the profession of our faith without wavering (for He is faithful who promised),