
February 7, 1754 (Letter to Lord Chesterfield)
Life of Samuel Johnson (1791), Vol I
1790s, First Letter to Thomas Pinckney (1792)
February 7, 1754 (Letter to Lord Chesterfield)
Life of Samuel Johnson (1791), Vol I
Ecclesiastes, 1:13 http://bible.cc/ecclesiastes/1-13.htm, New American Standard Bible
On Narendra Modi, as quoted in "'My Successor a Better Salesman': Manmohan Singh Takes on PM Modi on Economy" http://www.ndtv.com/india-news/manmohan-singh-takes-on-modi-governments-claims-on-economy-770040, NDTV (9 June 2015)
2011-present
Concerning his affair with Edwina Currie http://news.bbc.co.uk/2/hi/uk_news/politics/2286008.stm.
1990s, 1997
Letter http://books.google.com/books?id=EsovAQAAMAAJ&q=%22God+is+sitting+here+looking+into+my+very+soul+to+see+if+I+think+right+thoughts+Yet+I+am+not+afraid+for+I+try+to+be+right+and%22&pg=PA39#v=onepage to Abiah Root http://www.emilydickinsonmuseum.org/abiah_root (29 January 1850)
Source: Speech in the House of Lords (20 February 1877), cited in William Flavelle Monypenny and George Earle Buckle, The Life of Benjamin Disraeli, Earl of Beaconsfield. Volume II. 1860–1881 (London: John Murray, 1929), p. 994.
Quote, First Presidential address (1865)