Ecclesiastes 8:17
Then I saw all the work of God--man [is] not able to discover the work that is done under the sun. Although man may toil in seeking, he cannot find it. Even if a wise man claims [that he] knows it, he cannot find it.
Ecclesiastes 3:11
He has made everything suitable in its time. He also has put {the past} in their hearts, yet no one can grasp what God does from the beginning to the end.
Psalm 73:16
When I thought about [how] to understand this, it [was] troubling in my eyes
Romans 11:33
Oh, the depth of the riches and the wisdom and the knowledge of God! How unsearchable [are] his judgments and [how] incomprehensible [are] his ways!
Job 5:9
[He] is doing great and {unsearchable} things, marvelous things {without number}--
Job 11:7-9
"Can you find [out] the essence of God, or can you find [out] {the ultimate limits} of Shaddai?
Psalm 40:5
Many things, O Yahweh my God, you have done-- your wonderful deeds and your thoughts toward us. There is none to compare with you. If I [tried to] proclaim and tell [of them], they would be too numerous to count.
Psalm 104:24
How many are your works, O Yahweh; all of them you have done in wisdom. The earth is full of your creatures.
Proverbs 30:3-4
And I have not learned wisdom, nor will I know knowledge of the Holy One.
Ecclesiastes 7:23-24
All this I have tested with wisdom. I said, "I will be wise!" but {it was beyond my grasp}.
Ecclesiastes 11:5
Just as you do not know how the path of the wind [goes], nor how the bones [of a fetus] form in a mother's womb, so you do not know the work of God who makes everything.
Isaiah 40:28
Have you not known, or have you not heard? Yahweh [is] the God of eternity, [the] creator [of] the ends of the earth! He is not faint, and he does not grow weary! There is no searching his understanding.