Henry David Thoreau Quotes about Positive
Henry David Thoreau (2013). “Quotable Thoreau: An A to Z Glossary of Inspiring Quotations from Henry David Thoreau”, p.87, BookBaby
Henry David Thoreau (2013). “The Essential Thoreau”, p.11, Simon and Schuster
If the work is high and far, You must not only aim aright, But draw the bow with all your might.
"The Portable Thoreau".
Henry David Thoreau, Laura Ross (2009). “Walden, Or, Life in the Woods: Bold-faced Ideas for Living a Truly Transcendent Life”, p.373, Sterling Publishing Company, Inc.