“The result of your fifty or sixty years of religious reading in the four words: 'Be just and good,' is that in which all our enquiries must end.”

Opening statement.
1870s, The History of Freedom in Antiquity (1877)

Matsuo Bashō, Collected Haiku Theory, eds. T. Komiya & S. Yokozawa, Iwanami, 1951 (Unknown translator)
Statements

Letter to Mrs. Harrison Smith (6 August 1816)
1810s
Context: It is in our lives, and not from our words, that our religion must be read. By the same test the world must judge me. But this does not satisfy the priesthood. They must have a positive, a declared assent to all their interested absurdities. My opinion is that there would never have been an infidel, if there had never been a priest.

Speech "The Tasks of Economic Executives" (4 February 1931) http://marx2mao.com/Stalin/TEE31.html Stalin said this in 1931, at the beginning of the rapid industrialization campaign. Ten years later, Nazi Germany invaded the Soviet Union.
Stalin's speeches, writings and authorised interviews

Source: City of Fallen Angels

A Woman of Valor, Alure (May 2004)

He was actually quoting Oliver Wendell Holmes, Jr., during an America's Town Meeting of the Air broadcast, at The Town Hall in New York City, (6 January 1938) http://books.google.com/books?id=GekBAAAAMAAJ&q=%22A+good+catchword%22+%22can+obscure+analysis+for+fifty+years%22&pg=A21#v=onepage
Misattributed

Quoted by Wendell Willkie during an America's Town Meeting of the Air broadcast, at The Town Hall in New York City, (6 January 1938) http://books.google.com/books?id=GekBAAAAMAAJ&q=%22A+good+catchword%22+%22can+obscure+analysis+for+fifty+years%22&pg=A21#v=onepage.