Intuition is like your nose leading you to yummy food. But you need to evaluate (chew and taste) that food before you are certain that you want to swallow it. It's an indicator that you are on the right or wrong track, and it can point to where you want to go.
But it is quite fallible in a way that "pure" rational thought is not.
But it is quite fallible in a way that "pure" rational thought is not.