1 Samuel 17:28-29

28Now Eliab his eldest brother heard when he spoke to the men. And Eliab’s anger was kindled against David, and he said, “Why have you come down? And with whom have you left those few sheep in the wilderness? I know your presumption and the evil of your heart, for you have come down to see the battle.” 29And David said, “What have I done now? Was it not but a word?”

Ecclesiastes 4:4

4Then I saw that all toil and all skill in work come from a man’s envy of his neighbor. This also is avanity
The Hebrew term hebel can refer to a “vapor” or “mere breath”; also verses 7, 8, 16 (see note on 1:2)
and a striving after wind.

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