> trying to learn how to keep your system healthy by only studying its failure is like trying to learn how to keep your marriage healthy by only studying divorc

> trying to learn how to keep your system healthy by only studying its failure is like trying to learn how to keep your marriage healthy by only studying divorces Of course, you need to study both: not an XOR situation. When married, you collect data points, ask around (i.e. friends and family), ask others why their marriage fell apart; at the same time, you ask them what helps their relationships thrive. Understanding _both_ failures and successes are equally important.