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Just put one foot in front of the other and don't worry about the length of the path. Once you get on that path, and the longer you stay on it, there eventually will come a time when you will not turn back.

Martina Navratilova (2007). “Shape Your Self: My 6-Step Diet and Fitness Plan to Achieve the Best Shape of Your Life”, p.13, Rodale
Just put one foot in front of the other and don't worry about the length of the path. Once you get on that path, and the longer you stay on it, there eventually will come a time when you will not turn back.