Contradiction with Proverbs 10:3
This verse suggests that the Lord will not allow the righteous to go hungry, whereas Isaiah 33:16 emphasizes having bread and water, suggesting a need or dependence.
Proverbs 10:3: The LORD will not suffer the soul of the righteous to famish: but he casteth away the substance of the wicked. [the substance...: or, the wicked for their wickedness]
Contradiction with Matthew 6:31-32
These verses encourage not to worry about food and drink, implying that God will provide without the need for physical fortification like in Isaiah 33:16.
Matthew 6:31-32: Therefore take no thought, saying, What shall we eat? or, What shall we drink? or, Wherewithal shall we be clothed?