Therefore I went about to cause my heart to despaire of all the labour which I tooke vnder the Sunne. - King James Version (1611) - View 1611 Bible Scan
Therefore I completely despaired of all the fruit of my labor for which I had labored under the sun. - New American Standard Version (1995)
Therefore I turned about to cause my heart to despair concerning all the labor wherein I had labored under the sun. - American Standard Version (1901)
So my mind was turned to grief for all the trouble I had taken and all my wisdom under the sun. - Basic English Bible
Then I went about to cause my heart to despair of all the labour wherewith I had laboured under the sun. - Darby Bible
Therefore I went about to cause my heart to despair of all the labor which I took under the sun. - Webster's Bible
Therefore I began to cause my heart to despair concerning all the labor in which I had labored under the sun. - World English Bible
And I turned round to cause my heart to despair concerning all the labour that I laboured at under the sun. - Youngs Literal Bible
Therefore I turned about to cause my heart to despair concerning all the labour wherein I had laboured under the sun. - Jewish Publication Society Bible