One of the good point about Gandhi Ji was that his mind was restless. He always tried something new, he never was contented with his present. He never thought once in his life that he is settled, at peace and satisfied. I think this is one of the many reasons that he was a great person. He never tried to hide his mistakes/faults. He denied primary education to his children, his elder son was very unhappy with him for this. Unfortunately, this was also one of his experiment with life. But many of his other experiments like cleanliness, ahinsa were globally appreciated and accepted. So, don't stop yourself from experimenting, just because of the fear of failing or non-acceptance by society. I agree there is risk, but risk is there in anything and everything in life, the only difference is our faith in the outcome. We are generally happy in taking those calculative risk, where the results are more or less favorable. Challenging yourself is the best thing a person can do all his life...
Life is defined by thoughts and perceptions. Training your thoughts can do wonders to a human life. One can remodel the whole network of thoughts and perception to attain a healthy mind and body. Its neither easy nor impossible. Give it a sincere try and see the results.