It may help to understand human affairs to be clear that most of the great triumphs and tragedies of history are caused, not by people being fundamentally good or fundamentally bad, but by people being fundamentally people.

Remember: that giants sleep too soundly; that witches are often betrayed by their appetites; dragons have one soft spot, somewhere, always; hearts can be well-hidden, and you can betray them with your tongue. (from "Instructions")

There is a proverbial saying chiefly concerned with warning against too closely calculating the numerical value of un-hatched chicks.

Fuck you," said Czernobog. "Fuck you and fuck your mother and fuck the fucking horse you fucking rode in on. You will not even die in battle. No warrior will taste your blood. No one alive will take your life. You will die a soft, poor death. You will die with a kiss on your lips and a lie in your heart.

Hell may have all the best composers, but heaven has all the best choreographers.

He couldn’t see why people made such a fuss about people eating their silly old fruit anyway, but life would be a lot less fun if they didn’t. And there was never an apple, in Adam’s opinion, that wasn’t worth the trouble you got into for eating it.