Purpose Quotes - Page 114
Galen Beckett (2010). “The House on Durrow Street”, p.206, Spectra
"Soulless". Book by Gail Carriger, October 1, 2009.
Friedrich Nietzsche, Maudemarie Clark, Brian Leiter (1997). “Nietzsche: Daybreak: Thoughts on the Prejudices of Morality”, p.138, Cambridge University Press