His intent was that now, through the church, the manifold wisdom of God should be made known to the rulers and authorities in the heavenly realms
NIV
[The purpose is] that through the church the complicated, many-sided wisdom of God in all its infinite variety and innumerable aspects might now be made known to the angelic rulers and authorities (principalities and powers) in the heavenly sphere.
AMP
To the intent that now unto the principalities and powers in heavenly places might be known by the church the manifold wisdom of God,
KJV
"Can you fathom the mysteries of God? Can you probe the limits of the Almighty?"
NIV
Can you find out the deep things of God, or can you by searching find out the limits of the Almighty [explore His depths, ascend to His heights, extend to His breadths, and comprehend His infinite perfection]?
AMP
Canst thou by searching find out God? canst thou find out the Almighty unto perfection?
KJV