Contradiction with Matthew 6:31-32
Matthew 3:4 describes John's simple diet and clothing, while Matthew 6:31-32 advises against worrying about food and clothing, suggesting God will provide what is needed.
Matthew 6:31-32: Therefore take no thought, saying, What shall we eat? or, What shall we drink? or, Wherewithal shall we be clothed?
Contradiction with Luke 12:22-23
Matthew 3:4 depicts John's physical needs being met with simple provisions, whereas Luke 12:22-23 encourages not to worry about such things, emphasizing their unimportance compared to life.
Luke 12:22-23: And he said unto his disciples, Therefore I say unto you, Take no thought for your life, what ye shall eat; neither for the body, what ye shall put on.
Contradiction with 1 Timothy 2:9-10
Matthew 3:4 highlights John's simple apparel, contrasting with 1 Timothy 2:9-10 which advises modest dressing not necessarily implying simplicity but modesty in behavior and godliness.
1 Timothy 2:9-10: In like manner also, that women adorn themselves in modest apparel, with shamefacedness and sobriety; not with broided hair, or gold, or pearls, or costly array; [broided: or, plaited]
Contradiction with Matthew 11:19
Matthew 3:4 describes John's austere lifestyle, whereas Matthew 11:19 compares Jesus' approach of eating and drinking with others, implying a less ascetic lifestyle.
Matthew 11:19: The Son of man came eating and drinking, and they say, Behold a man gluttonous, and a winebibber, a friend of publicans and sinners. But wisdom is justified of her children.