“Books, not which afford us a cowering enjoyment, but in which each thought is of unusual daring; such as an idle man cannot read, and a timid one would not be entertained by, which even make us dangerous to existing institution–such call I good books.” – Henry David Thoreau
If you would like to learn more about Henry David Thoreau click the link below:
http://encyclopedia2.thefreedictionary.com/_/dict.aspx?h=1&word=Henry+David+Thoreau