Source: Freedom, Loyalty, Dissent (1954), pp. vii - viii
“Without security, civilization is cramped and dwarfed. Without security, there can be no freedom. Nor shall I say too much, when I declare that security, guarded of course by its offspring, freedom, is the true end and aim of government.”
The Crime Against Kansas speech (May 19-20, 1856)
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Charles Sumner 16
American abolitionist and politician 1811–1874Related quotes

“Freedom of opinion can only exist when the government thinks itself secure…”
A Fresh Look at Empiricism: 1927-42 (1996), p. 443
Attributed from posthumous publications
Source: Give Me Liberty! (1998), Ch. 16 : Security, the One-Way Ticket to Slavery, p. 174

This quotation appeared in an article by Margaret Thatcher, "The Moral Foundations of Society" ( Imprimis, March 1995 https://imprimis.hillsdale.edu/the-moral-foundations-of-society/), which was an edited version of a lecture Thatcher had given at Hillsdale College in November 1994. Here is the actual passage from Thatcher's article:
<blockquote>[M]ore than they wanted freedom, the Athenians wanted security. Yet they lost everything—security, comfort, and freedom. This was because they wanted not to give to society, but for society to give to them. The freedom they were seeking was freedom from responsibility. It is no wonder, then, that they ceased to be free. In the modern world, we should recall the Athenians' dire fate whenever we confront demands for increased state paternalism.</blockquote>
The italicized passage above originated with Thatcher. In characterizing the Athenians in the article she cited Sir Edward Gibbon, but she seems to have been paraphrasing statements in "Athens' Failure," a chapter of classicist Edith Hamilton's book The Echo of Greece (1957), pp. 47–48 http://www.ergo-sum.net/books/Hamilton_EchoOfGreece_pp.47-48.jpg).
Misattributed

Source: (1776), Book IV, Chapter V, paragraph 82.

Security and Liberty, April 23, 2007 http://www.house.gov/paul/tst/tst2007/tst042307.htm
2000s, 2006-2009

The Five Dimensions of Global Security: Proposal for a Multi-sum Security Principle, p. 15-16 (2007)

Progress, Coexistence and Intellectual Freedom (1968), The Basis for Hope, Peaceful Competition
Context: Bertrand Russell once told a peace congress in Moscow that "the world will be saved from thermonuclear annihilation if the leaders of each of the two systems prefer complete victory of the other system to a thermonuclear war." (I am quoting from memory.) It seems to me that such a solution would be acceptable to the majority of people in any country, whether capitalist or socialist. I consider that the leaders of the capitalist and socialist systems by the very nature of things will gradually be forced to adopt the point of view of the majority of mankind.
Intellectual freedom of society will facilitate and smooth the way for this trend toward patience, flexibility, and a security from dogmatism, fear, and adventurism. All mankind, including its best-organized and most active forces, the working class and the intelligentsia, is interested in freedom and security.