korsh john 
LESSONS I LEARNED FROM ELON MUSK ABOUT BUSINESS & PRODUCTIVITY [EPUB ebook] 
How the Physics First Principle Helps You Get Things Done Faster and Cheaper

I heard Elon Musk and the Physics First Principle in my little closet office, and I was frustrated. Like so many entrepreneurs, I was overwhelmed with tasks, burning through resources, and struggling with problems that felt impossible to solve. You see, I always believed the only path to success was hard work — grind more, push harder and eventually things would work out.
But they didn’t.