Ecclesiastes 1:13

13And I aapplied my heart
The Hebrew term denotes the center of one’s inner life, including mind, will, and emotions
to seek and to search out by wisdom all that is done under heaven. It is an unhappy cbusiness that God has given to the children of man to be busy with.

Ecclesiastes 2:3

3I dsearched with my heart how to cheer my body with wine—my heart still guiding me with wisdom—and how to lay hold on efolly, till I might see what was good for the children of man to do under heaven during the few days of their life.

Ecclesiastes 2:17

17So I hated life, because what is done under the sun was grievous to me, for fall is vanity and a striving after wind.

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