“As you know, very recently the secretary of state proclaimed his loyalty to a man guilty of what has always been considered as the most abominable of all crimes — of being a traitor to the people who gave him a position of great trust. The secretary of state, in attempting to justify his continued devotion to the man who sold out the Christian world to the atheistic world, referred to Christ's Sermon on the Mount as a justification and reason therefore, and the reaction of the American people to this would have made the heart of Abraham Lincoln happy. When this pompous diplomat in striped pants, with a phony British accent, proclaimed to the American people that Christ on the Mount endorsed communism, high treason, and betrayal of a sacred trust, the blasphemy was so great that it awakened the dormant indignation of the American people.
He has lighted the spark which is resulting in a moral uprising and will end only when the whole sorry mess of twisted warped thinkers are swept from the national scene so that we may have a new birth of national honesty and decency in government.”

Source: The Story of Civilization (1935–1975), VI - The Reformation (1957), Chapter 6, p. 229

2000s, The Real Abraham Lincoln: A Debate (2002), Rebuttal

II, 13
Meditations (c. 121–180 AD), Book II

As quoted in Statesman and Friend: Correspondence of John Adams with Benjamin Waterhouse, 1784–1822 http://babel.hathitrust.org/cgi/pt?id=mdp.39015026646540;view=1up;seq=69 (1927), edited by Worthington C. Ford, Boston, Massachusetts: Little, Brown, and Company. p. 57 <br class="br">Attributed

Speech to the Byron centenary luncheon (29 April 1924), quoted in On England, and Other Addresses (1926), pp. 123-124.
1924

Pt. I, Ch. 2 : The Evanescence of Evil, concluding paragraph
Social Statics (1851)
Context: Man needed one moral constitution to fit him for his original state; he needs another to fit him for his present state; and he has been, is, and will long continue to be, in process of adaptation. And the belief in human perfectibility merely amounts to the belief that, in virtue of this process, man will eventually become completely suited to his mode of life.
Progress, therefore, is not an accident, but a necessity. Instead of civilization being artificial, it is part of nature; all of a piece with the development of the embryo or the unfolding of a flower. The modifications mankind have undergone, and are still undergoing, result from a law underlying the whole organic creation; and provided the human race continues, and the constitution of things remains the same, those modifications must end in completeness.

‘Observations on Priestley's Emigration’ (August 1794), Porcupine's Works; containing various writings and selections, exhibiting a faithful picture of the United States of America, Volume I (1801), p. 169
1790s

2012, Statement: on the Passing of His Father Rep. Salvador H. Escudero III