> Sure it sometimes takes a few life times, but we’ve never moved permanently backwards before Playing devil's advocate here: perhaps that's because we always

> Sure it sometimes takes a few life times, but we’ve never moved permanently backwards before Playing devil's advocate here: perhaps that's because we always think of things that we're doing now as "right"? For instance there are societies in history that were open to some sexual relationships that we are not (mainly the ones involving minors or incest). At times in european history, animals were tried for crimes similarly to people. Are we more or less progressive than they are?