in Fitness Inspiration Inspiration : SO true!!! Our mind is the most powerful muscle of all!! You must train it to th… May 17, 2017, 4:34 am 1.6k Views Fitness and body inspiration Illustration Description SO true!!! Our mind is the most powerful muscle of all!! You must train it to think the way it needs to! 19 shares Fitnessfitness & healthfitness inspirationfitness inspiration bodyfitness tipsInspirationwomen's fitness inspirationworkout inspiration