In his funny and at the same time deep book, the Spanish scientist and writer Pedro Gonzalez Calero talks about the history of philosophy, what philosophers laughed at, and about that. how they laughed at themselves. He invites the reader on a fascinating journey through time and space, to visit Diogenes, Confucius, Voltaire. Diderot, Russell, Heidegger and other thinkers of the past. And we will find out why Socrates’ wife was always in a bad mood, what Machiavelli dreamed about, what Kant thought about marriage, who Nietzsche mercilessly ridiculed and why Wittgenstein suddenly needed a poker...