Ecclesiastes 12:9-12

9And moreover, because the Preacher was wise, he still taught the people knowledge; yes, he pondered and sought out and set in order many proverbs.

10The Preacher sought to find acceptable words; and what was written was upright—words of truth.

11The words of the wise are like goads, and the words of scholars are like well-driven nails, given by one Shepherd.

12And further, my son, be admonished by these. Of making many books there is no end, and much study is wearisome to the flesh.