He said to them, “Because of your little faith. For truly I tell you, if you have faith the size of a mustard seed, you will say to this mountain, ‘Move from here to there,’ and it will move, and nothing will be impossible for you.”
Jesus answered them, “Truly I tell you, if you have faith and do not doubt, not only will you do what has been done to the fig tree, but even if you say to this mountain, ‘Be lifted up and thrown into the sea,’ it will be done.
The Lord replied, “If you had faith the size of a mustard seed, you could say to this mulberry tree, ‘Be uprooted and planted in the sea,’ and it would obey you.
And by faith in his name, his name itself has made this man strong, whom you see and know, and the faith that is through Jesus has given him this perfect health in the presence of all of you.
He did not weaken in faith when he considered his own body, which was already as good as dead (for he was about a hundred years old), and the barrenness of Sarah’s womb.