Cross reference
Psalms 73:16
16 When my thoughts were turned to see the reason of this, it was a weariness in my eyes;
Ecclesiastes 8:17
17 Then I saw all the work of God, and that man may not get knowledge of the work which is done under the sun; because, if a man gives hard work to the search he will not get knowledge, and even if the wise man seems to be coming to the end of his search, still he will be without knowledge.
Psalms 36:6
6 Your righteousness is like the mountains of God; your judging is like the great deep; O Lord, you give life to man and beast.
Psalms 39:6
6 Truly, every man goes on his way like an image; he is troubled for no purpose: he makes a great store of wealth, and has no knowledge of who will get it.
Psalms 77:19
19 Your way was in the sea, and your road in the great waters; there was no knowledge of your footsteps.
Psalms 97:2
2 Dark clouds are round him; his kingdom is based on righteousness and right judging.
Proverbs 30:2-3
2 For I am more like a beast than any man, I have no power of reasoning like a man:
3 I have not got wisdom by teaching, so that I might have the knowledge of the Holy One.
Luke 18:32-34
32 For he will be given up to the Gentiles, and will be made sport of and put to shame:
33 And he will be given cruel blows and put to death, and on the third day he will come back to life.
34 But they did not take in the sense of any of these words, and what he said was not clear to them, and their minds were not able to see it.
John 16:18-19
18 So they said again and again, What is this he is saying, A little time? His words are not clear to us.
19 Jesus saw that they had a desire to put the question to him, so he said to them, Is this what you are questioning one with another, why I said, After a little time, you will see me no longer; and then again, after a little time, you will see me?
Romans 11:33
33 O how deep is the wealth of the wisdom and knowledge of God! no one is able to make discovery of his decisions, and his ways may not be searched out.