Ellicott's Commentary for English Readers - Matthew 16:8
(8) O ye of little faith.—Our Lord reproves not the want of discernment which made them slow to receive the meaning of the similitude, but their want of faith. The discernment depended (in part, at least) on imaginative power, or acquired culture, for the lack of which they were not responsible. But their memory of the manner in which their wants had been twice supplied might at least have taught them that no such case of extreme necessity, such as they pictured to themselves, was likely to... read more
Ellicott's Commentary for English Readers - Matthew 16:7
(7) It is because we have taken no bread.—There is a childish naïveté in their self-questioning which testifies to the absolute originality and truthfulness of the record, and so to the genuineness of the question which follows, and which assumes the reality of the two previous miracles. The train of thought which connected the warning and the fact was probably hardly formulated even in their own minds. It may be that they imagined that as the Pharisee would not eat of bread that had been... read more