Yet man is born unto trouble, as the sparks fly upward.
Man that is born of a woman is of few days, and full of trouble.
Then was our mouth filled with laughter, and our tongue with singing: then said they among the heathen, The LORD hath done great things for them.
And I gave my heart to seek and search out by wisdom concerning all things that are done under heaven: this sore travail hath God given to the sons of man to be exercised therewith.
For in much wisdom is much grief: and he that increaseth knowledge increaseth sorrow.