Resumen
There are questions that have intrigued the worlds great thinkers over the ages, which still touch a chord in all of us today. They are questions that can teach us about the way we live and see the world. Here, one of the worlds greatest living philosophers, Leszek Kolakowski, explores the essence of these ideas, introducing figures from Socrates to Thomas Aquinas, Descartes to Nietzsche and concentrating on one single important philosophical question from each of them.