"Every single one of us possesses the strength to attempt something he isn't sure he can accomplish. It can be running a mile, or a 10K race, or 100 miles. It can be changing a career, losing 5 pounds, or telling someone you love her (or him)."

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What I've done serves mostly to show that nearly all limits are self-imposed, a false construct of the mind. You can take on mind-boggling challenges. It may cause you grief, it may test your relationships and cause you to question your sanity, but you can do it! Yes, a fifty-seven year-old man can run across the United States and break a couple or records in the process. People of any age can accomplish what few others have done; we can endure the trials, overcome the obstacles, put up with the pain to realize our dreams. Why not try?

— Marshall Ulrich