Contradiction with Acts 15:1
Teaches that circumcision according to the custom of Moses is necessary, contrasting with the spreading message among Gentiles which often involved not imposing such practices.
Acts 15:1: And certain men which came down from Judaea taught the brethren, [and said], Except ye be circumcised after the manner of Moses, ye cannot be saved.
Contradiction with Galatians 5:2
States that if you receive circumcision, Christ will profit you nothing, which opposes the adherence to Jewish customs as mentioned in Acts 21:19.
Galatians 5:2: Behold, I Paul say unto you, that if ye be circumcised, Christ shall profit you nothing.
Contradiction with Galatians 2:3-5
Highlights that Titus, being a Greek, was not compelled to be circumcised, contradicting the significance placed on Jewish customs and laws in Acts 21:19.
Galatians 2:3-5: But neither Titus, who was with me, being a Greek, was compelled to be circumcised:
Contradiction with Colossians 2:16-17
Advises against being judged in matters of food, drink, or observing festival days, opposing the adherence to Jewish law emphasized in Acts 21:19.
Colossians 2:16-17: Let no man therefore judge you in meat, or in drink, or in respect of an holyday, or of the new moon, or of the sabbath [days]: [in meat...: or, for eating and drinking] [respect: or, part]
Contradiction with Romans 14:5-6
Affirms that one person esteems one day above another while another esteems every day alike, which challenges the necessity of observing particular Jewish customs referred to indirectly in Acts 21:19.
Romans 14:5-6: One man esteemeth one day above another: another esteemeth every day [alike]. Let every man be fully persuaded in his own mind. [fully persuaded: or, fully assured]