Contradiction with Proverbs 21:20
This verse speaks to the wisdom of saving, which could be seen as contradicting the idea of gathering fragments without a purpose of saving.
Proverbs 21:20: [There is] treasure to be desired and oil in the dwelling of the wise; but a foolish man spendeth it up.
Contradiction with Luke 12:24
Here, the ravens do not save or gather, yet are provided for, suggesting a contrast to the act of gathering leftovers.
Luke 12:24: Consider the ravens: for they neither sow nor reap; which neither have storehouse nor barn; and God feedeth them: how much more are ye better than the fowls?
Contradiction with Matthew 6:19
Advises against storing earthly treasures, which could be seen as contradicting the act of gathering earthly fragments.
Matthew 6:19: Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal:
Contradiction with Hebrews 13:5
Encourages contentment with what one has, possibly conflicting with the idea of gathering more than needed.
Hebrews 13:5: [Let your] conversation [be] without covetousness; [and be] content with such things as ye have: for he hath said, I will never leave thee, nor forsake thee.
Contradiction with Matthew 6:31-32
Emphasizes not worrying about physical needs, potentially clashing with the proactive gathering in John 6:12.
Matthew 6:31-32: Therefore take no thought, saying, What shall we eat? or, What shall we drink? or, Wherewithal shall we be clothed?