Source: Principles of Gestalt Psychology, 1935, p. 176
Context: Even these humble objects reveal that our reality is not a mere collocation of elemental facts, but consists of units in which no part exists by itself, where each part points beyond itself and implies a larger whole. Facts and significance cease to be two concepts belonging to different realms, since a fact is always a fact in an intrinsically coherent whole. We could solve no problem of organization by solving it for each point separately, one after the other; the solution had to come for the whole. Thus we see how the problem of significance is closely bound up with the problem of the relation between the whole and its parts. It has been said: The whole is more than the sum of its parts. It is more correct to say that the whole is something else than the sum of its parts, because summing is a meaningless procedure, whereas the whole-part relationship is meaningful.
“Soldiers of the Reich! This day, you are to take part in an offensive of such importance that the whole future of the war may depend on its outcome. More than anything else, your victory will show the whole world that resistance to the power of the German Army is hopeless.”
In a message to German soldiers at the start of the Battle of Kursk, 5 July 1943, as quoted in Kursk by Rupert Matthews
1940s
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Adolf Hitler 265
Führer and Reich Chancellor of Germany, Leader of the Nazi … 1889–1945Related quotes

Address to the Senate (22 January 1917)
1910s
Context: The question upon which the whole future peace and policy of the world depends is this: Is the present war a struggle for a just and secure peace, or only for a new balance of power? If it be only a struggle for a new balance of power, who will guarantee, who can guarantee, the stable equilibrium of the new arrangement? Only a tranquil Europe can be a stable Europe. There must be, not a balance of power, but a community of power; not organized rivalries, but an organized common peace.

Proclamation (22 June 1941), quoted in The Times (23 June 1941), p. 3
1940s
“Texts from Housman”, p. 21
Kipling, Auden & Co: Essays and Reviews 1935-1964 (1980)

Speech on the 24th Anniversary of the Revolution
Stalin's speeches, writings and authorised interviews

“A system is more than the sum of its parts; it is an indivisible whole.”
It loses its essential properties when it is taken apart. The elements of a system may themselves be systems, and every system may be part of a larger system.
Ackoff (1973) "Science in the Systems Age: beyond IE, OR and MS." in: Operations Research Vol 21, pp. 664.
1970s

“If you give me an army of Turks, I can take the whole world hostage.”
Napoleon : In His Own Words (1916)

Cited in: Can Alpaslan, Ian Mitroff (2011) Swans, Swine, and Swindlers: Coping with the Growing Threat of Mega-Crises and Mega-Messes. p. 16.
1970s, The future of operational research is past, 1979