Matthew 8:26

8:26 But he said to them, “Why are you cowardly, you people of little faith?” Then he got up and rebuked the winds and the sea, and it was dead calm.

Matthew 16:8

16:8 When Jesus learned of this, he said, “You who have such little faith! Why are you arguing among yourselves about having no bread?

Matthew 17:20

17:20 He told them, “It was because of your little faith. I tell you the truth, 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; nothing will be impossible for you.”

Mark 11:23

11:23 I tell you the truth, if someone says to this mountain, ‘Be lifted up and thrown into the sea,’ and does not doubt in his heart but believes that what he says will happen, it will be done for him.

Romans 4:18-20

4:18 Against hope Abraham believed in hope with the result that he became the father of many nations according to the pronouncement, “so will your descendants be.” 4:19 Without being weak in faith, he considered his own body as dead (because he was about one hundred years old) and the deadness of Sarah’s womb. 4:20 He did not waver in unbelief about the promise of God but was strengthened in faith, giving glory to God.

Romans 4:1

The Illustration of Justification

4:1 What then shall we say that Abraham, our ancestor according to the flesh, has discovered regarding this matter?

Romans 2:8

2:8 but wrath and anger to those who live in selfish ambition and do not obey the truth but follow unrighteousness.

James 1:6-8

1:6 But he must ask in faith without doubting, for the one who doubts is like a wave of the sea, blown and tossed around by the wind. 1:7 For that person must not suppose that he will receive anything from the Lord, 1:8 since he is a double-minded individual, unstable in all his ways.