Why Be virtuous/good/moral? Plato & hobbes overview - historical parallels - addressing the same Q Plato’s thought experiment (the ring) Hobbes’ thought experiment (S of N) - nature & reason argument Plato & hobbes overview - historical parallels - addressing the same Q Plato’s thought experiment (the ring) Hobbes’ thought experiment (S of N) - nature & reason argument
Historical parallels Plato (~428 bc bc) Hobbes ( )
Why be good?
Morality: a Compromise an arrangement
Ring of Gyges
Hobbes ( )
Two Major Influences GalileoEuclidean Geometry
Single Scientific Method Physical naturehumanhuman society Matter in motion Natural bodies (stones, planets, living organisms) Artificial bodies (societies, political bodies)
Causal laws: e is determined by c Conclusion Every event in the universe is necessarily determined by one or more previous cause
Scientific explanation of universe/human bodies “For what is the heart, but a spring, and the nerves, but so many strings, and the joints, but so many wheels, giving a motion to the whole body…”
Euclidean geometry Axioms --> theorems Basic truths of human nature --> deduce morality/leviathan Axioms --> theorems Basic truths of human nature --> deduce morality/leviathan
G + EG + CW => Leviathan
morality human reasonhuman nature
State of nature
State of Nature Equality Equality “Nature hath made men so equal…” Right to anything necessary for survival
State of nature Bodies in motion Driven by desire to survive
State of Nature Psychology Fear Desire
State of Nature Limited Resources --> enmity
State of Nature State of War Limited Resources --> enmity --> war “In such condition, there is no place for Industry…and the life of man, solitary, poor, nasty, brutish and short.”
What does Reason then tell us? 1.We do anything necessary to preserve life This Hobbes calls “Right of Nature” natural right
What does Reason then tell us? 2. Pursue Peace This Hobbes calls “Law of Nature” How to achieve Peace…?
The Social Contract “covenants, without the sword, are but words, and of no strength to secure a man at all” I give up my right to do anything (so long as you do as well) and give that right over to one authority
Commonwealth Leviathan The authority must reside in one person and be total and supreme.
Problem?