NET
31 Immediately Jesus reached out his hand and caught him, saying to him, “You of little faith, why did you doubt?”
Darby
31 And immediately Jesus stretched out his hand and caught hold of him, and says to him, O thou of little faith, why didst thou doubt?
KJV
31 And immediately Jesus stretched forth [his] hand, and caught him, and said unto him, “O thou of little faith, wherefore didst thou doubt?”