After publishing a few years ago A philosophy of fear, finalist for the Anagrama Essay Prize in 2021Bernat Castany Prado, philosopher and philologist, professor of literature at the UB, returns to bookstores with another delightful and highly recommended essay. A philosophy of laughterOnce again, we find an author who writes with a good rhythm, in an exuberant style, full of imagery, metaphors, and stylistic turns, yet maintains due restraint regarding the rigor of his ideas. The wit that characterizes the writing in this book is not exhausted by mere fireworks, but rather serves a way of life. Reading Professor Castany makes us better.