
Letter to Miss Barnes http://digital.library.upenn.edu/women/carlyle/jwclam/lam301.html#LM3-207 (24 August 1859).
Reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 78.
Letter to Miss Barnes http://digital.library.upenn.edu/women/carlyle/jwclam/lam301.html#LM3-207 (24 August 1859).
Zwingli Opera, Corpus Reformatorum, Volume 1, p. 427-428.
Vol. I, Ch. 7: Of the Eleventh Horn of Daniel's Fourth Beast
Observations upon the Prophecies of Daniel, and the Apocalypse of St. John (1733)
This is also from the 1965 essay by Justice Millard Caldwell http://www.aapsonline.org/brochures/cicero.htm. It is not clear if this is based in any specific dialogue.
Misattributed
Quotes from secondary sources, Smooth Stones Taken From Ancient Brooks, 1860
Source: Leave Me Alone, I'm Reading (2005), Chapter 4 (p. 141)