Kripke, Saul

Philosopher-Logician American Born 1940 (age 86)

Developed possible worlds semantics and modal logic.

369 quotes

"Philosophy must respect both logic and the lessons of science."
Wisdom
"Names point, but they also presuppose a history of use."
Truth
"Consciousness cannot be fully captured by any description."
Science
"We must learn to distinguish appearance from reality anew."
Education
"The modal operator shifts our perspective on what must be."
Philosophy
"Language is both convention and connection to the world."
Knowledge
"The semantics of propositional attitudes reveal layers of meaning."
Truth
"To understand necessity is to understand possibility."
Wisdom
"The external world is not a hypothesis but a foundation."
Philosophy
"Meaning cannot be reduced to mental content alone."
Science
"Every philosophical question hides a question about language."
Education
"The direct reference theory liberates us from descriptive captivity."
Freedom
"Possible worlds are not escapes from reality but tools for understanding it."
Knowledge
"A name connects us across time to the thing named."
Truth
"Philosophy without rigor is intellectual wandering."
Wisdom
"The mind-body problem arises from confused notions of identity."
Philosophy
"Counterfactual reasoning is how we understand our actual world."
Science
"Language shapes thought, but does not imprison it completely."
Freedom
"The puzzle of reference reveals the puzzle of consciousness."
Knowledge
"Necessity and possibility are woven into the fabric of reality."
Truth
"To philosophize is to see the strange in the familiar."
Wisdom
"Rigid designation makes sense of how we speak of possibility."
Philosophy
"The semantics of the material conditional has troubled philosophers."
Education
"Indexicals anchor language to the world at specific moments."
Truth
"Consciousness is not a mystery but a challenge for philosophy."
Science
"We inherit our concepts but can reform them through reflection."
Knowledge
"The causal chain theory explains why names refer as they do."
Philosophy
"Modal logic is the logic of how things could have been."
Wisdom
"Names are not mere abbreviations for descriptions."
Truth
"The external world exists independently of our theories about it."