Matthew 16:8

And Jesus having known, said to them, 'Why reason ye in yourselves, ye of little faith, because ye took no loaves?

Matthew 6:30

And if the herb of the field, that to-day is, and to-morrow is cast to the furnace, God doth so clothe -- not much more you, O ye of little faith?

Matthew 8:26

And he saith to them, 'Why are ye fearful, O ye of little faith?' Then having risen, he rebuked the winds and the sea, and there was a great calm;

Matthew 14:31

And immediately Jesus, having stretched forth the hand, laid hold of him, and saith to him, 'Little faith! for what didst thou waver?'

Mark 16:14

Afterwards, as they are reclining (at meat), he was manifested to the eleven, and did reproach their unbelief and stiffness of heart, because they believed not those having seen him being raised;

John 2:24-25

and Jesus himself was not trusting himself to them, because of his knowing all men,

John 16:30

now we have known that thou hast known all things, and hast no need that any one do question thee; in this we believe that from God thou didst come forth.'

Hebrews 4:13

and there is not a created thing not manifest before Him, but all things are naked and open to His eyes -- with whom is our reckoning.

Revelation 2:23

and her children I will kill in death, and know shall all the assemblies that I am he who is searching reins and hearts; and I will give to you -- to each -- according to your works.

Treasury of Scripture Knowledge

Summary

Which when Jesus perceived, he said unto them, O ye of little faith, why reason ye among yourselves, because ye have brought no bread?

General references

Bible References

When

John 2:24
and Jesus himself was not trusting himself to them, because of his knowing all men,
John 16:30
now we have known that thou hast known all things, and hast no need that any one do question thee; in this we believe that from God thou didst come forth.'
Hebrews 4:13
and there is not a created thing not manifest before Him, but all things are naked and open to His eyes -- with whom is our reckoning.
Revelation 2:23
and her children I will kill in death, and know shall all the assemblies that I am he who is searching reins and hearts; and I will give to you -- to each -- according to your works.

General references

Mark 8:16
and they were reasoning with one another, saying -- 'Because we have no loaves.'
John 4:33
The disciples then said one to another, 'Did any one bring him anything to eat?'