To know what? It's a seven "R" process, firstly the reason why you want to do it, then you research how. You have to know God's will first, then you say wow. Information is key.
Your destiny now closer, you take risks, that's another R, you just do it, no hesitation; it's time for action. How about when at first you don't succeed, what do you do?
You bounce back from defeat, you become resilient; that's the 5th R, until your reach to the 7th R, which is reward, you then get the benefits of doing it. You enter your destiny. Find time, read this book, and you will be blessed.