„The objection made to the numerical method, to wit, the difficulty or impossibility of forming classes of similar facts, is alike applicable to all the methods that might be substituted; that it is impossible to appreciate each case with mathematical exactness, and it is precisely on this account that enumeration becomes necessary; by so doing, the errors, (which are inevitable,) being the same in two groups of patients subjected to different treatment, mutually compensate each other, and they may be disregarded without sensibly affecting the exactness of the results.“

p, 125
Researches on the effects of bloodletting... (1836)

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Pierre Charles Alexandre Louis Foto
Pierre Charles Alexandre Louis
französischer Arzt und Pathologe 1787 - 1872

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„All social phenomena are the result of a series of various causes, in most cases so inwardly related that it is quite impossible clearly to separate one from the other. We are always dealing with the interplay of various causes which, as a rule, can be clearly recognised but cannot be calculated according to scientific methods.“

—  Rudolf Rocker, buch Nationalism and Culture

Quelle: Nationalism and Culture (1937), Ch. 1 "The Insufficiency of Economic Materialism"
Kontext: No thinking man in this day can fail to recognise that one cannot properly evaluate an historical period without considering economic conditions. But much more one-sided is the view which maintains that all history is merely the result of economic conditions, under whose influence all other life phenomena have received form and imprint.
There are thousands of events in history which cannot be explained by purely economic reasons, or by them alone. It is quite possible to bring everything within the terms of a definite scheme, but the result is usually not worth the effort. There is scarcely an historical event to whose shaping economic causes have not contributed, but economic forces are not the only motive powers which have set everything else in motion. All social phenomena are the result of a series of various causes, in most cases so inwardly related that it is quite impossible clearly to separate one from the other. We are always dealing with the interplay of various causes which, as a rule, can be clearly recognised but cannot be calculated according to scientific methods.

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„We can no more have exact religious thinking without theology, than exact mensuration and astronomy without mathematics, or exact iron-making without chemistry“

—  John Hall Presbyterian pastor from Northern Ireland in New York, died 1898 1829 - 1898

Quelle: Dictionary of Burning Words of Brilliant Writers (1895), P. 580.

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„Notwithstanding the eminent difficulties of the mathematical theory of sonorous vibrations, we owe to it such progress as has yet been made in acoustics. The formation of the differential equations proper to the phenomena is, independent of their integration, a very important acquisition, on account of the approximations which mathematical analysis allows between questions, otherwise heterogeneous, which lead to similar equations. This fundamental property, whose value we have so often to recognize, applies remarkably in the present case; and especially since the creation of mathematical thermology, whose principal equations are strongly analogous to those of vibratory motion. This means of investigation is all the more valuable on account of the difficulties in the way of direct inquiry into the phenomena of sound. We may decide the necessity of the atmospheric medium for the transmission of sonorous vibrations; and we may conceive of the possibility of determining by experiment the duration of the propagation, in the air, and then through other media; but the general laws of the vibrations of sonorous bodies escape immediate observation. We should know almost nothing of the whole case if the mathematical theory did not come in to connect the different phenomena of sound, enabling us to substitute for direct observation an equivalent examination of more favorable cases subjected to the same law. For instance, when the analysis of the problem of vibrating chords has shown us that, other things being equal, the number of oscillations is hi inverse proportion to the length of the chord, we see that the most rapid vibrations of a very short chord may be counted, since the law enables us to direct our attention to very slow vibrations. The same substitution is at our command in many cases in which it is less direct.“

—  Auguste Comte French philosopher 1798 - 1857

Bk. 3, chap. 4; as cited in: Moritz (1914, 240)
System of positive polity (1852)

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„I believe that it is impossible for two individuals not committed to their own and each other’s well being to sustain a healthy and enduring relationship.“

—  Bell Hooks American author, feminist, and social activist 1952

Quelle: Breaking Bread: Insurgent Black Intellectual Life

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