Deuteronomy 32:4 NIV
 He is the Rock,   his works are perfect,   and all his ways are just. A faithful God   who does no wrong, upright   and just is he.   
Ecclesiastes 7:29 NIV
 This only have I found: God created mankind upright, but they have gone in search of many schemes.”
Ecclesiastes 8:17 NIV
 then I saw all that God has done.   No one can comprehend what goes on under the sun. Despite all their efforts to search it out, no one can discover its meaning. Even if the wise claim they know, they cannot really comprehend it.  
Genesis 1:31 NIV
 God saw all that he had made,   and it was very good.   And there was evening, and there was morning  —the sixth day.
Job 11:7 NIV
 “Can you fathom   the mysteries of God? Can you probe the limits of the Almighty? 
Job 5:9 NIV
 He performs wonders   that cannot be fathomed,   miracles that cannot be counted.   
Mark 7:37 NIV
 People were overwhelmed with amazement. “He has done everything well,” they said. “He even makes the deaf hear and the mute speak.”
Matthew 11:27 NIV
 “All things have been committed to me   by my Father.   No one knows the Son except the Father, and no one knows the Father except the Son and those to whom the Son chooses to reveal him.  
Romans 1:19-20 NIV
 since what may be known about God is plain to them, because God has made it plain to them.   For since the creation of the world God’s invisible qualities—his eternal power and divine nature—have been clearly seen, being understood from what has been made,   so that people are without excuse.  
Romans 11:33 NIV
 Oh, the depth of the riches   of the wisdom and  knowledge of God!   How unsearchable his judgments, and his paths beyond tracing out!