Contradiction with Proverbs 25:2
This verse suggests it is the glory of God to conceal a matter, implying that not all things will be revealed, which contrasts with Luke 12:2.
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 Ecclesiastes 3:1
This verse implies there is a time for everything, including keeping secrets, contradicting the idea that all will be revealed as stated in Luke 12:2.
Ecclesiastes 3:1: To every [thing there is] a season, and a time to every purpose under the heaven:
Contradiction with Isaiah 45:15
Refers to God as one who hides Himself, suggesting the concealment of divine matters, contrary to the idea of revelation in Luke 12:2.
Isaiah 45:15: Verily thou [art] a God that hidest thyself, O God of Israel, the Saviour.
Contradiction with Matthew 13:11
Implies that knowledge of the kingdom is given to some and not others, indicating selective revelation, which contrasts with the universal revelation suggested by Luke 12:2.
Matthew 13:11: He answered and said unto them, Because it is given unto you to know the mysteries of the kingdom of heaven, but to them it is not given.
Contradiction with John 16:12
Jesus says there are things the disciples cannot bear to hear now, implying that not all truths are immediately revealed, contradicting the notion of Luke 12:2.
John 16:12: I have yet many things to say unto you, but ye cannot bear them now.
Paradox #1
The contradiction or inconsistency might be that the idea of uncovering all hidden things could conflict with teachings of forgiveness and moving on from past mistakes. If everything is always brought to light, it might be harder to truly forgive and forget.