Romans 4:19
And not being weak in faith he did not regard his body, which was now deadened (being about a hundred years old), and the deadness of Sarah's womb.
Genesis 17:17
Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born to him who is a hundred years old? And shall Sarah, who is ninety years old, bear?
Genesis 18:11-14
Now Abraham and Sarah were old, [and] well stricken in age. It had ceased to be with Sarah after the manner of women.
Matthew 6:30
And if God so clothes the grass of the field, which today is, and tomorrow is cast into an oven, will he not much more you, O ye of little faith?
Matthew 8:26
And he says to them, Why are ye cowardly, O ye of little faith? Then after rising, he rebuked the winds and the sea, and there became a great calm.
Matthew 14:31
And straightaway having stretched forth his hand, Jesus took hold of him, and says to him, O thou of little faith, why did thou doubt?
Mark 9:23-24
And Jesus said to him, If thou are able to believe, all things are possible to him who believes.
John 20:27-28
Then he says to Thomas, Bring thy finger here, and see my hands, and bring thy hand, and put into my side, and do not become faithless, but believing.
Romans 4:20-21
And he did not waver in unbelief at the promise of God, but became strong in faith, giving glory to God,
Romans 14:21
It is good not to eat meats, nor to drink wine, nor in whatever thy brother stumbles against, or is caused to stumble, or becomes weak.
Hebrews 11:11-19
By faith even Sarah herself received power for conception of seed, and she gave birth beyond the time of age, because she considered him faithful who promised.