Matthew 17:17
Jesus replied [to the crowd], "You perverse generation of faithless people! How long must I be with you [i.e., before you understand]? How long do I have to be patient with you? Bring the sick boy to me."
Matthew 17:20
He answered them, "[It was] because you had such little faith. For truly I tell you, if you have faith as [small as] a mustard tree seed, you could say to this mountain, 'Move from here to that place over there' and it would move. And nothing will be impossible for you [to do]." {[{[Some manuscripts contain the following verse:
Luke 1:20
And consider this, you will [have to] remain a mute and be unable to speak until the day when these things happen because you did not believe my words, which will be fulfilled in due time."
Luke 1:45
And she who [has] believed [the promises made by the Lord] is [truly] blessed, for the things which have been spoken to her [i.e., to Mary] by the Lord will [indeed] be fulfilled."
John 1:17
For the law was given through Moses; [but] God's favor and truth came through Jesus Christ.
Romans 4:20
Yet he looked for the promise of God [to be fulfilled] and did not waver, doubting [that it would happen], but his faith strengthened him. He honored God
1 Peter 3:15
But instead, set aside a place in your hearts where Christ is [in full control as] Lord, and be prepared always to give a suitable reply to every person who asks you for a reason why you have an inner hope. But [be sure you do it] in a meek and respectful way, however.