According to Professor Monod, life is defined according to three criteria. The reproductive invariance means that being is programmed. A duck egg will never give a baby crocodile. The Autonomous morphology establishes that its growth is not dependent on external factors. Last but by far the most important, teleology guarantees that he is able to move towards voluntary goals. This is why Monod has often been cited in the texts of artificial intelligence and artificial life for so defined borders. His vast culture made him choose for introducing a text Camus, taken from the myth of Sisyphus and perfectly suited to this than meets the lonely man in a world he does not understand. At least the teacher will Monod he had the merit of asking the right questions and write a book that is already clear through the decades while remaining current.