A few days ago I was listening to a biologist who recounted a philosophic conversation. In it the philosopher asked a man who had gone to the market why he was there. “To buy vegetables”, the man answered. “Why do you want vegetables?”, the philosopher continued. “So that I can eat” “Why do you want to eat?” “So that I can be healthy” “Why do you want to be healthy?” “Because I will be unhappy if I am not healthy” “Ah, you are in the market so that you can be happy”, said the philosopher and stopped his round of […]