Ecclesiastes 2:21

²¹Nam est qui laborat in sapientia et doctrina et sollicitudine, et homini, qui non laboraverit, dabit portionem suam; et hoc ergo vanitas et magnum malum.

In Ecclesiastes 2, the Teacher (Qoheleth) narrates his grand experiment in hedonism, achievement, and wisdom. He tests pleasure, laughter, wine, building projects, wealth, and cultural accomplishments—only to find them all "vanity and a striving after wind." The chapter builds a dev