“Living organisms have existed on earth, without ever knowing why, for over three thousand million years before the truth finally dawned on them. His name was Charles Darwin. To be fair, others had inklings of the truth, but it was Darwin who first put together a coherent and tenable account of why we exist. Darwin made it possible for us to give a sensible answer to the question [Why are people?] We no longer have to resort to superstition when faced with the deep problems: Is there a meaning to life? What are we for? What is man?”