Contradiction with Mark 11:24
Acts 4:9 speaks of the healing of a man as a factual event, whereas Mark 11:24 emphasizes faith for receiving what is prayed for without referencing direct evidence or events.
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 1 Corinthians 1:22
Acts 4:9 involves the demonstration of a miracle as a sign, while 1 Corinthians 1:22 suggests Jews require a sign and Greeks seek wisdom, indicating a division in belief through evidence versus faith.
1 Corinthians 1:22: For the Jews require a sign, and the Greeks seek after wisdom:
Contradiction with John 9:2-3
Acts 4:9 attributes the cause of the man's healing to divine action through the name of Jesus, whereas John 9:2-3 disassociates personal sin or parental sin as the reason for blindness, instead showing it’s an opportunity to display God's works.
John 9:2-3: And his disciples asked him, saying, Master, who did sin, this man, or his parents, that he was born blind?
Contradiction with Matthew 16:4
Acts 4:9 implies signs were given as evidence of divine authority, while Matthew 16:4 criticizes the seeking of signs as indicative of a wicked and adulterous generation.
Matthew 16:4: A wicked and adulterous generation seeketh after a sign; and there shall no sign be given unto it, but the sign of the prophet Jonas. And he left them, and departed.