The term prepare is from mid-15c., "set in order or readiness for a particular end," a back formation from preparation and in part from Old French preparer (14c.), from Latin praeparare "to make ready beforehand," from prae "before" (see pre-) + parare "to make ready." 

To make ready beforehand is the substance of planning and strategy. What are you trying to accomplish? What is your biggest challenge? What is important? What is the core issue? Answer these questions and prepare to advance. 

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Substitute feelings, arrange for a deep outcome, mix the roulette wheel