A newly married couple does not need a manual on making love, and the reason is that they have the motivation to learn. The voice seemed to be coming from the middle of the fire, so Moses did as he was told; he bent down and took off his shoes. God's calling is to be your truest self because his calling includes everything that makes you you - your genetics, your passions and personality, your background, your strengths and weaknesses , the highs and the lows of your life story.
I must go see it. I know of many people who would rather study about ministry than to do it. Moses presumptuously set out to deliver his people and ended up running for his life.