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.
“When I consider the parts of the past of which I have some knowledge, I am inclined to believe that, in Utilitarian hedonistic terms, the past has been worth it, since the sum of happiness has been greater than the sum of suffering.”
Source: Reasons and Persons (1984), p. 612
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Derek Parfit 24
British philosopher 1942–2017Related quotes

“We are the sum of all we have done added to the sum of all that has been done to us.”
Source: Golden Fool

1988 Chairman's Letter http://www.berkshirehathaway.com/letters/1988.html
Letters to Shareholders (1957 - 2012)

“The whole is greater than the sum of its parts.”

“Not heaven itself upon the past has power;
But what has been, has been, and I have had my hour.”
Book III, Ode 29, lines 69–72.
Imitation of Horace (1685)
Context: Be fair, or foul, or rain, or shine,
The joys I have possessed, in spite of fate, are mine.
Not heaven itself upon the past has power;
But what has been, has been, and I have had my hour.

Introduction.
Garden Cities of To-morrow (1898)
Context: Whatever may have been the causes which have operated in the past, and are operating now, to draw the people into the cities, those causes may all be summed up as "attractions "; and it is obvious, therefore, that no remedy can possibly be effective which will not present to the people, or at least to considerable portions of them, greater "attractions " than our cities now possess, so that the force of the old "attractions" shall be overcome by the force of new "attractions" which are to be created. Each city may be regarded as a magnet, each person as a needle; and, so viewed, it is at once seen that nothing short of the discovery of a method for constructing magnets of yet greater power than our cities possess can be effective for redistributing the population in a spontaneous and healthy manner.

Herzog on Herzog (2002)