A good thing, made ultimate thing, is an idol. Something you need to be a certain way to feel good about yourself.

“The way you can tell your love for something has turned idolatrous is that you basically destroy the thing you love,” he says. “Overwork often leads to destruction—people who overreach and cheat or have health breakdowns. If you put too much on your children, your kids can be crushed by your expectations for their happiness and success.”