> (Imagine trying to solve a math problem using System 1 alone: You can’t stop and do the arithmetic, you just have to spit out the first answer that comes to m

> (Imagine trying to solve a math problem using System 1 alone: You can’t stop and do the arithmetic, you just have to spit out the first answer that comes to mind.) Uh, for problems below some level of complexity, that's exactly how I do it, I just know the answer. I assume everyone does.