Combining Texts

All the ideas for 'On Motion', 'works' and 'works'

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3 ideas

16. Persons / F. Free Will / 1. Nature of Free Will
3447 All theory is against free will, and all experience is in favour of it [Johnson,S]
     Full Idea: All theory is against free will, and all experience is in favour of it.
     From: Samuel Johnson (works [1770]), quoted by PG - Db (ideas)
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / c. Ethical intuitionism
7258 The forefather of modern intuitionism is Richard Price [Price,R, by Dancy,J]
     Full Idea: The forefather of modern intuitionism is Richard Price.
     From: report of Richard Price (works [1760]) by Jonathan Dancy - Intuitionism
27. Natural Reality / B. Modern Physics / 1. Relativity / a. Special relativity
12709 Motion is not absolute, but consists in relation [Leibniz]
     Full Idea: In reality motion is not something absolute, but consists in relation.
     From: Gottfried Leibniz (On Motion [1677], A6.4.1968), quoted by Daniel Garber - Leibniz:Body,Substance,Monad 3
     A reaction: It is often thought that motion being relative was invented by Einstein, but Leibniz wholeheartedly embraced 'Galilean relativity', and refused to even consider any absolute concept of motion. Acceleration is a bit trickier than velocity.