Is There a Difference Between System One Thinking and System Two Thinking?

In the book he talks about this difference between system one and system two thinking. He tells you, ht what he's doing. And then he asks us, think, three chapters later, is readers to think about these three questions and their tricks. I read the first one and i'm trickedand yet i've spent years trying to build up my rationality. Tokit a ilek, for god's sake.