Ecclesiastes 2:11 Then I looked on all the works that my hands had wrought, and on the labour that I had laboured to do: and, behold, all was vanity and vexation of spirit, and there was no profit under the sun. 7 I MC VC

Ecclesiastes 4:4 Again, I considered all travail, and every right work, that for this a man is envied of his neighbour. This is also vanity and vexation of spirit. MC VC