New Revised Standard Version
But when I thought how to understand this, it seemed to me a wearisome task,

Contemporary English Version
It was hard for me to understand all this!

New American Bible
Though I tried to understand all this, it was too difficult for me,

Douay-Rheims Bible
I studied that I might know this thing, it is a labour in my sight:

I studied that I might know this thing, it is a labour in my sight:

when

Psalm 36:6 Thy justice is as the mountains of God, thy judgments are a great deep. Men and beasts thou wilt preserve, O Lord:

Psalm 77:19 Thy way is in the sea, and thy paths in many waters: and thy footsteps shall not be known.

Psalm 97:2 Clouds and darkness are round about him: justice and judgment are the establishment of his throne.

Proverbs 30:2,3 I am the most foolish of men, and the wisdom of men is not with me. . . .

Ecclesiastes 8:17 And I understood that man can find no reason of all those works of God that are done under the sun: and the more he shall labour to seek, so much the less shall he find: yea, though the wise man shall say, that he knoweth it, he shall not be able to find it.

Romans 11:33 O the depth of the riches of the wisdom and of the knowledge of God! How incomprehensible are his judgments, and how unsearchable his ways!

too painful for me.

Psalm 39:6 Surely man passeth as an image: yea, and he is disquieted in vain. He storeth up: and he knoweth not for whom he shall gather these things.

Luke 18:32-34 For he shall be delivered to the Gentiles and shall be mocked and scourged and spit upon. . . .

John 16:18,19 They said therefore: What is this that he saith, A little while? We know not what he speaketh. . . .