20 So my heart began to despair over all my toilsome labor under the sun.

Read Ecclesiastes 2:20 Using Other Translations

Therefore I went about to cause my heart to despair of all the labour which I took under the sun.
So I turned about and gave my heart up to despair over all the toil of my labors under the sun,
So I gave up in despair, questioning the value of all my hard work in this world.