The Preacher Has Made His Enquiries and Comes Up With Nothing (Ecclesiastes 1:12 - Ecclesiastes 2:26).
The Preacher now brings out that he has made further enquiries and has come up with nothing. He first considers the search for intellectual knowledge (Ecclesiastes 1:12-18), and then he considers the search for pleasure (Ecclesiastes 2:1-26), but he concludes that both lead nowhere.