Contradiction with Proverbs 1:7
Matthew 13:35 emphasizes mystery in teachings, while Proverbs 1:7 states wisdom comes from understanding and knowledge, not hiddenness.
Proverbs 1:7: The fear of the LORD [is] the beginning of knowledge: [but] fools despise wisdom and instruction. [the beginning: or, the principal part]
Contradiction with Acts 10:34
Matthew 13:35 highlights a selective revealing of truths, in contrast to Acts 10:34 which states God shows no partiality in revelation.
Acts 10:34: Then Peter opened [his] mouth, and said, Of a truth I perceive that God is no respecter of persons:
Contradiction with 1 Corinthians 14:33
Matthew 13:35 suggests complex teachings, whereas 1 Corinthians 14:33 claims God is not the author of confusion.
1 Corinthians 14:33: For God is not [the author] of confusion, but of peace, as in all churches of the saints. [confusion: Gr. tumult, or, unquietness]
Contradiction with 2 Corinthians 3:12
Matthew 13:35 speaks of parables and hidden truths whereas 2 Corinthians 3:12 emphasizes the plainness and boldness of speech in teachings.
2 Corinthians 3:12: Seeing then that we have such hope, we use great plainness of speech: [plainness: or, boldness]
Contradiction with John 18:20
Matthew 13:35 presents secretive discourse through parables, while John 18:20 quotes Jesus saying he spoke openly to the world.
John 18:20: Jesus answered him, I spake openly to the world; I ever taught in the synagogue, and in the temple, whither the Jews always resort; and in secret have I said nothing.