All this I have tested with wisdom. I said, "I will be wise!" but {it was beyond my grasp}.

{Whatever is--it is far beyond comprehension}. Who can discover it?

When the guards of the house tremble, and the men of strength are bent; the grinders cease because they are few, and those looking through the windows see dimly.

My son, be careful {about anything beyond these things}. For the writing of books is endless, and too much study {is wearisome}.