Do you know me?

For the secrets about which anthropologists concern themselves can be best learned, not from books or voyages but from the ordinary commerce of man with man. The secret of why some savages tribes worships monkeys or the moon is not to be found even by traveling among those savages and taking down their answers in a notebook, although the cleverest man may pursue this course. The answer to the riddle...is in [their] own heart!

G.K. Chesterton - Science and the Savages

Wow is this not powerful; the implications are that it is no mystery why people do what that do! It is not a mystery because we find the same impulses inside of ourselves. It is the context that makes the difference.