BSB
And I set my mind to seek and explore by wisdom all that is done under heaven. What a heavy burden God has laid upon the sons of men to occupy them!
AKJV
And I gave my heart to seek and search out by wisdom concerning all things that are done under heaven: this sore travail has God given to the sons of man to be exercised therewith.
CPDV
And I was determined in my mind to seek and to investigate wisely, concerning all that is done under the sun. God has given this very difficult task to the sons of men, so that they may be occupied by it.
ERV
And I applied my heart to seek and to search out by wisdom concerning all that is done under heaven: it is a sore travail that God hath given to the sons of men to be exercised therewith.
NHEB
I applied my heart to seek and to search out by wisdom concerning all that is done under the sky. It is a heavy burden that God has given to the sons of men to be afflicted with.
SMT
And I gave my heart to seek and to search out in wisdom concerning all which was done under the heavens: this evil business God gave to the sons of man to be occupied in it.