Henry David Thoreau Quotes about Quality
Henry David Thoreau (2014). “Citizen Thoreau: Walden, Civil Disobedience, Life Without Principle, Slavery in Massachusetts, A Plea for Captain John Brown”, p.15, Graphic Arts Books
Henry David Thoreau, Carl Hovde (1980). “A Week on the Concord and Merrimack Rivers”, p.170, Princeton University Press
Henry David Thoreau (1866). “Cape Cod”, p.61
Henry David Thoreau, Barry Andrews (2005). “True Harvest: Readings from Henry David Thoreau for Every Day of the Year”, p.107, Unitarian Universalist Association of Congregations