Contradiction with Matthew 19:26
Genesis 18:10 implies that Sarah will bear a child due to a divine promise, suggesting a limitation of natural possibilities, whereas Matthew 19:26 states all things are possible with God, suggesting no need for miraculous intervention because everything is achievable by divine will.
Matthew 19:26: But Jesus beheld [them], and said unto them, With men this is impossible; but with God all things are possible.
Contradiction with Hebrews 11:11
Genesis 18:10 presents Sarah as initially skeptical of God's promise, while Hebrews 11:11 credits her faith as the means by which she received strength to conceive, contradicting her initial doubt.
Hebrews 11:11: 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.
Contradiction with Luke 1:37
Genesis 18:10 sets the miraculous birth as a unique divine intervention, while Luke 1:37 emphasizes that nothing is impossible with God, implying such interventions aren't exceptional because God's power is boundless.
Luke 1:37: For with God nothing shall be impossible.