Ecclesiastes 1:16-18 - The Spokesman Begins To Study Life

¹⁶ I communed with mine own heart, saying, "Lo, I am come to a great estate, and have gotten more wisdom, than all they that have been before me in Jerusalem." Yea, my heart had great experience of wisdom and knowledge, ¹⁷ for thereunto I applied my mind: that I might know what were wisdom and understanding, what were error and foolishness. And I perceived that this also was but a vexation of mind:

¹⁸ For where much wisdom is, there is also great travail and disquietness; and the more knowledge a man hath, the more is his care.