Romans 4:19
Without being weakened in faith, he considered his own body as dead (he being about a hundred years old), and the deadness of Sarah's womb.
Genesis 17:17
Then Abraham fell on his face, and laughed, and said in his heart, "Will a child be born to him who is one hundred years old? Will Sarah, who is ninety years old, give birth?"
Genesis 18:11-14
Now Abraham and Sarah were old, well advanced in age. It had ceased to be with Sarah after the manner of women.
Matthew 6:30
But if God so clothes the grass of the field, which today exists, and tomorrow is thrown into the oven, won't he much more clothe you, you of little faith?
Matthew 8:26
And he said to them, "Why are you fearful, O you of little faith?" Then he got up, rebuked the wind and the sea, and there was a great calm.
Matthew 14:31
Immediately Jesus stretched out his hand, took hold of him, and said to him, "You of little faith, why did you doubt?"
Mark 9:23-24
Jesus said to him, "'If you can?' All things are possible to him who believes."
John 20:27-28
Then he said to Thomas, "Reach here your finger, and see my hands. Reach here your hand, and put it into my side; and do not be unbelieving, but believing."
Romans 4:20-21
Yet, looking to the promise of God, he did not waver through unbelief, but grew strong through faith, giving glory to God,
Romans 14:21
It is good to not eat meat, drink wine, nor do anything by which your brother stumbles.
Hebrews 11:11-19
By faith he received power to procreate when he was past age, and Sarah herself was barren. He regarded him faithful who had promised.