External cause

Definition and stakes

Portrait of Arnold Ehret Arnold Ehret,  Rational Fasting (1938)

“ The Common Fundamental Cause in the Nature of Diseases All the phases of the process of development of the medical science, including those of the earliest periods of civilization, have in their way of understanding the causal nature of diseases that one thing in common that the diseases, owing to external causes, enter into the human body and thus, by force of a necessary or at least unavoidable law, disturb it in its existence, cause it pain and at last destroy it. ”
Source: Wikisource

Portrait of John Stuart Mill John Stuart Mill,  A System of Logic, Ratiocinative and Inductive (1843)

“ It may be asked, how come we to ascribe our sensations to any external cause? And is there sufficient ground for so ascribing them? It is known, that there are metaphysicians who have raised a controversy on the point; maintaining that we are not warranted in referring our sensations to a cause such as we understand by the word Body, or to any external cause whatever. ”
Source: Gutenberg

Portrait of Bertrand Russell Bertrand Russell,  The Analysis of Mind — Lecture V: Psychological and Physical Causal Laws (1921)

“ It is difficult to believe, at any rate where physical laws are concerned, that the earlier part of the process which is the cause can make any difference to the effect, so long as the later part of the process which is the cause remains unchanged. Suppose, for example, that a man dies of arsenic poisoning, we say that his taking arsenic was the cause of death. ”
Source: Wikisource

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