Matthew 17:19-20

New Revised Standard Version Catholic Edition

¹⁹ Then the disciples came to Jesus privately and said, “Why could we not cast it out?” ²⁰ He said to them, “Because of your little faith. For truly I tell you, if you have faith the size of a^[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.”^[b]