Contradiction with Mark 11:24
This verse emphasizes the power of belief and prayer for receiving what you ask, while John 4:50 focuses on belief in the spoken word of Jesus without prayer.
Mark 11:24: Therefore I say unto you, What things soever ye desire, when ye pray, believe that ye receive [them], and ye shall have [them].
Contradiction with Matthew 17:20
This verse highlights faith in a different context, suggesting that faith can move mountains, whereas John 4:50 is about immediate belief in Jesus' assurance.
Matthew 17:20: And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.
Contradiction with James 1:6
This verse mentions asking in faith without doubting, which involves an ongoing process, whereas John 4:50 presents faith as a response to a declaration.
James 1:6: But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed.
Contradiction with Matthew 21:22
This verse speaks about receiving whatever you ask in prayer with belief, in contrast to John 4:50, where the request and answer are immediate and unspoken.
Matthew 21:22: And all things, whatsoever ye shall ask in prayer, believing, ye shall receive.