Principles of Mathematics (1903), Ch. I: Definition of Pure Mathematics, p. 3
1900s
“The functional regions of the brain which subserve physical agony, the "pain centres", and the mainly limbic substrates of emotion, appear in phylogenetic terms to be remarkably constant in the vertebrate line. The neural pathways involving serotonin, the periaquaductal grey matter, bradykinin, dynorphin, ATP receptors, the major opioid families, substance P etc all existed long before hominids walked the earth. Not merely is the biochemistry of suffering disturbingly similar where not effectively type-identical across a wide spectrum of vertebrate (and even some invertebrate) species. It is at least possible that members of any species whose members have more pain cells exhibiting greater synaptic density than humans sometimes suffer more atrociously than we do, whatever their notional "intelligence."”
1.9 The Taste of Depravity https://www.hedweb.com/hedethic/hedon1.htm#taste
The Hedonistic Imperative https://www.smashwords.com/books/view/514875 (1995)
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David Pearce (philosopher) 28
British transhumanist 1959Related quotes
Source: Sustainable History and the Dignity of Man (2009), p.109
“Long before physics or psychology were born, pain disintegrated matter, and affliction the soul.”
All Gall Is Divided (1952)
p, 125
On the Sizes and Distances of the Sun and the Moon (c. 250 BC)
An Outline of Philosophy Ch.15 The Nature of our Knowledge of Physics (1927)
1920s