Epistola ad Posteros [Letter to Posterity] in "Petrarch : The First Modern Scholar and Man of Letters" by James Harvey Robinson and Henry Winchester Rolfe, (p. 59), 1898.
"'Whether we are arguing about MPs' expenses or assisted suicide, we need to engage with the moral ideals underlying our political debates'". Interview with Oliver Burkeman, www.theguardian.com. October 31, 2009.