Schaffer, Jonathan

Philosopher American Born 1973 (age 53)

Developed priority monism and fundamental metaphysics.

381 quotes

"Existence is not univocal; different kinds of things exist in different ways."
Knowledge
"The principle of sufficient reason grounds all inquiry: nothing is without reason."
Truth
"Modality is not mere appearance; possibility and necessity are real features of the world."
Philosophy
"Properties cluster together not randomly but according to deep natural laws."
Wisdom
"Identity persists because what we call an object maintains a continuous structure."
Knowledge
"The debate over objects and mereology shapes how we understand reality itself."
Philosophy
"Substance is not a mysterious substratum but the ground of properties and change."
Truth
"We know the world through reason and experience, neither alone sufficing."
Wisdom
"Being something is more fundamental than having properties; essence precedes accident."
Knowledge
"The limits of language reveal not the limits of reality but our understanding."
Truth
"Composition is real; wholes are not mere fictions of our minds."
Philosophy
"Identity through time is not magical; it follows natural laws of persistence."
Wisdom
"The relation between part and whole is as real as gravity or distance."
Knowledge
"Necessity is woven into the fabric of existence; chance is the exception, not the rule."
Truth
"Abstract objects do not causally interact, yet they are no less real than concrete ones."
Philosophy
"The unity of an object is discovered, not created, by our theories about it."
Wisdom
"What grounds the grounding? This question leads us deeper into metaphysics."
Knowledge
"The world is intelligible because being itself is rational and ordered."
Truth
"Parthood relations structure the universe as fundamentally as particles and forces."
Philosophy
"Change without constancy would be unintelligible; both are required for being."
Wisdom
"Identity and indiscernibility are not the same; identical things must be discernible."
Knowledge
"Being is the first principle; all questions return to what it means to be."
Truth
"Objects are real independent of perception; realism is the default position."
Philosophy
"The mereological sum of atoms is not arbitrary; it follows natural boundaries."
Wisdom
"Causation is not reducible to correlation; it involves genuine productive power."
Knowledge
"Existence admits of degrees and kinds; it is not univocal across all being."
Truth
"The question 'what is x?' presupposes that x has a real nature to discover."
Philosophy
"Unity is not imposed on disparate parts; it emerges from their natural bonding."
Wisdom
"Properties are not hanging in the void; they inhere in substances or tropes."
Knowledge
"The principle of identity is not a tautology but a profound truth about being."
Truth