In the book of Matthew, we see two different people with two different faith levels.
Matthew 15:28: “Then Jesus answered and said to her, ‘O woman, great is your faith! Let it be to you as you desire.’ And her daughter was healed from that very hour.”
Matthew 14:31: “And immediately Jesus stretched out His hand and caught him, and said to him, ‘O you of little faith, why did you doubt?’