New International Version
then I saw all that God has done. No one can comprehend what goes on under the sun. Despite all their efforts to search it out, no one can discover its meaning. Even if the wise claim they know, they cannot really comprehend it.

American Standard Version
then I beheld all the work of God, that man cannot find out the work that is done under the sun: because however much a man labor to seek it out, yet he shall not find it; yea moreover, though a wise man think to know it, yet shall he not be able to find it.

Berean Study Bible
I saw every work of God, and that a man is unable to comprehend the work that is done under the sun. Despite his efforts to search it out, he cannot find its meaning; even if the wise man claims to know, he is unable to comprehend.

Douay-Rheims Bible
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.

English Revised Version
then I beheld all the work of God, that man cannot find out the work that is done under the sun: because however much a man labour to seek it out, yet he shall not find it; yea moreover, though a wise man think to know it, yet shall he not be able to find it.

King James Bible
Then I beheld all the work of God, that a man cannot find out the work that is done under the sun: because though a man labour to seek it out, yet he shall not find it; yea further; though a wise man think to know it, yet shall he not be able to find it.

World English Bible
then I saw all the work of God, that man can't find out the work that is done under the sun, because however much a man labors to seek it out, yet he won't find it. Yes even though a wise man thinks he can comprehend it, he won't be able to find it.

Young's Literal Translation
then I considered all the work of God, that man is not able to find out the work that hath been done under the sun, because though man labour to seek, yet he doth not find; and even though the wise man speak of knowing he is not able to find.

Ecclesiastes 8:17 Additional Translations ...