Not to be discussed that Purpose is a universal human need, as Joseph P. Carter highlights in his magnificent article: "without it, we feel bereft of meaning and happiness".

But

The Simon's Sinek Golden Circle it's not exactly a novelty, it's been around for a while.

It's old, but it doesn't get old. 

It clearly explains that the way to do it it's inside out, not otherwise.
Start with the WHY, and the HOW and the WHAT will