Henry David Thoreau Quotes about Insanity

Staying in the house breeds a sort of insanity always. Every house is, in this sense, a hospital.
Henry David Thoreau, Jeffrey S. Cramer (2007). “I to Myself: An Annotated Selection from the Journal of Henry D. Thoreau”, p.299, Yale University Press
Henry David Thoreau (2014). “Familiar Letters (Annotated Edition)”, p.190, Jazzybee Verlag