Contradiction with Matthew 6:7
Acts 10:31 suggests that prayers are directly heard, while Matthew 6:7 warns against using vain repetitions, implying that some prayers may not be heard.
Matthew 6:7: But when ye pray, use not vain repetitions, as the heathen [do]: for they think that they shall be heard for their much speaking.
Contradiction with Proverbs 28:9
Acts 10:31 depicts prayers being heard, yet Proverbs 28:9 states that the prayer of someone not following the law is an abomination, suggesting not all prayers are accepted.
Proverbs 28:9: He that turneth away his ear from hearing the law, even his prayer [shall be] abomination.
Contradiction with Isaiah 59:2
While Acts 10:31 indicates that prayers are heard, Isaiah 59:2 suggests that sins can separate people from God, causing prayers to be unheard.
Isaiah 59:2: But your iniquities have separated between you and your God, and your sins have hid [his] face from you, that he will not hear. [have hid: or, have made him hide]
Contradiction with John 9:31
Acts 10:31 portrays a positive reception of prayer, but John 9:31 notes that God does not hear sinners, implying conditions on whose prayers are heard.
John 9:31: Now we know that God heareth not sinners: but if any man be a worshipper of God, and doeth his will, him he heareth.
Contradiction with James 4:3
Acts 10:31 suggests prayers are answered, whereas James 4:3 indicates that asking with wrong motives can lead to unanswered prayers.
James 4:3: Ye ask, and receive not, because ye ask amiss, that ye may consume [it] upon your lusts. [lusts: or, pleasures]
Contradiction with 1 John 5:14
Acts 10:31 emphasizes the hearing of prayer, but 1 John 5:14 requires alignment with God's will for prayers to be heard, signifying a limitation.
1 John 5:14: And this is the confidence that we have in him, that, if we ask any thing according to his will, he heareth us: [in: or, concerning]