'Little Faith' in the Bible

Wherefore, if God so clothe the grass, which is today in the field, and tomorrow shall be cast into the furnace, shall he not much more do the same unto you, O ye of little faith?

And he said unto them, "Why are ye fearful, O ye of little faith?" Then he arose, and rebuked the winds and the sea; and there followed a great calm.

And immediately Jesus stretched forth his hand, and caught him, and said to him, "O thou of little faith: wherefore didst thou doubt?"

When Jesus understood that, he said unto them, "O ye of little faith, why are your minds cumbered because ye have brought no bread?

If the grass, which is today in the fields, and tomorrow shall be cast into the furnace, God so clothe: how much more will he clothe you, O ye endowed with little faith?