[Ephesians 3:8 KJV] "Unto me, who am less than the least of all saints, is this grace given, that I should preach among the Gentiles the unsearchable riches of Christ;"..........Paul is saying you could search all scripture before Paul's epistles and you would find none of the mystery written. Christ revealed things to Paul that were kept secret before revealed to Paul...........
[Romans 11:33 KJV] "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!"..........The meaning of unsearchable is seen in this verse, it means cant be found.
[Romans 11:33 KJV] "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!"..........The meaning of unsearchable is seen in this verse, it means cant be found.