Contradiction with Proverbs 25:2
Proverbs 25:2 speaks of God's glory being in concealing things, whereas Ephesians 1:9 mentions making known the mystery of His will.
Proverbs 25:2: [It is] the glory of God to conceal a thing: but the honour of kings [is] to search out a matter.
Contradiction with Deuteronomy 29:29
Deuteronomy 29:29 mentions that the secret things belong to God, suggesting some aspects of His will remain hidden, which contrasts with Ephesians 1:9 where the mystery is revealed.
Deuteronomy 29:29: The secret [things belong] unto the LORD our God: but those [things which are] revealed [belong] unto us and to our children for ever, that [we] may do all the words of this law.
Contradiction with Romans 11:33
Romans 11:33 highlights the unsearchable and inscrutable judgments of God, opposing the idea in Ephesians 1:9 of God's will being made known.
Romans 11:33: O the depth of the riches both of the wisdom and knowledge of God! how unsearchable [are] his judgments, and his ways past finding out!
Contradiction with 1 Corinthians 2:7
This verse speaks of God's wisdom in a mystery, hidden, which contrasts with the revelation aspect in Ephesians 1:9.
1 Corinthians 2:7: But we speak the wisdom of God in a mystery, [even] the hidden [wisdom], which God ordained before the world unto our glory:
Contradiction with Isaiah 55:8-9
These verses describe God's thoughts and ways as higher than ours, implying a sense of mystery, contrary to the revelation mentioned in Ephesians 1:9.
Isaiah 55:8-9: For my thoughts [are] not your thoughts, neither [are] your ways my ways, saith the LORD.
Contradiction with Job 11:7
Job 11:7 questions the ability to find out God's limits and mysteries, opposing Ephesians 1:9 which speaks of the revelation of God's will.
Job 11:7: Canst thou by searching find out God? canst thou find out the Almighty unto perfection?