The approach to motivation suggests a connection between internal physical states and outward behavior.

It is the Drive Reduction Theory that suggests there is a connection between internal physical states and outward behavior. An example would be if you are hungry, you eat something to satisfy that internal physical state. The two are connected and to bring a sense of satisfaction, the person would need to give way to their hunger and consume something to do that.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.