"If you are ready to leave father and mother, and brother and sister, and wife and child and friends, and never see them again; if you have paid your debts, and made your will, and settled all your affairs, and are a free man; then you are ready for a walk."
|May 2017: U.S. Post Office issues a first class stamp honoring|
the bicentennial of the birth of Henry David Thoreau.
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|Wooden dumbbells were a popular type of|
exercise equipment in the 1800s.
A human trial conducted at