Know the Best Decision then MAKE It

There's a great interview with investor, hedge fund manager, philanthropist, and founder of Bridgewater Associates Ray Dalio available online. While promoting his new book, Principles: Life and Work, Dalio reveals the fundamentals that made his company, which oversees $150 Billion in assets, such a success.   

https://www.youtube.com/watch?v=Jz_PzdVJxB0 

"Most importantly, you have to know what the best decisions are and then you have to have the courage to make them."

His point is there is a profound divide between knowing what to do and doing it. The two are not binary.