Philosophy Quotes

Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.

43879 quotes

K
"Counterfactual reasoning reveals genuine objective facts about possibility."
Kripke, Saul
K
"The necessity of identity statements reflects mind-independent facts about reality."
Kripke, Saul
K
"Possible worlds are not entities in the full metaphysical sense, but useful fictions."
Kripke, Saul
K
"Philosophical method must respect both intuition and empirical constraint."
Kripke, Saul
K
"We must resist the temptation to reduce all modality to linguistic possibility."
Kripke, Saul
K
"An object's essential properties are those it possesses in all possible worlds containing it."
Kripke, Saul
K
"We can coherently discuss what would be true if things had been otherwise."
Kripke, Saul
K
"Essentialism explains why some truths hold across all possible worlds."
Kripke, Saul
K
"Counterfactuals are not reducible to material conditionals in standard logic."
Kripke, Saul
K
"The world contains objective possibilities that constrain what could have been."
Kripke, Saul
K
"Our modal intuitions, while not infallible, provide genuine access to reality."
Kripke, Saul
K
"Possible worlds are what make counterfactual statements truth-apt."
Kripke, Saul
K
"We can meaningfully discuss non-actual possibilities without reifying them ontologically."
Kripke, Saul
K
"Possible worlds are legitimate theoretical posits despite their apparent extravagance."
Kripke, Saul
K
"Our grasp of possibility is immediate and not derived from logical or linguistic facts."
Kripke, Saul
A
"Language is not a perfect instrument for expressing our thoughts."
Ayer, Alfred Jules
A
"Metaphysics is a purely formal science."
Ayer, Alfred Jules
A
"Emotional expressions are not propositions that can be true or false."
Ayer, Alfred Jules
A
"The only way to understand philosophy is to practice it constantly."
Ayer, Alfred Jules
A
"The mind is not a substance but a collection of perceptions."
Ayer, Alfred Jules
A
"Philosophy begins where certainty ends."
Ayer, Alfred Jules
R
"The original position is a device of representation, not a historical fact."
Rawls, John
R
"Political philosophy must grapple with the question of how free and equal citizens can live together."
Rawls, John
R
"We must distinguish between ideal theory and non-ideal theory in political philosophy."
Rawls, John
R
"Public reason constrains what we can appeal to in political arguments."
Rawls, John
R
"The parties in the original position choose principles that would satisfy them in any position."
Rawls, John
R
"The original position models the conditions for a fair agreement."
Rawls, John
R
"A reasonable comprehensive doctrine accepts a liberal political conception of justice."
Rawls, John
R
"A conception of justice must be stable with respect to reasonable disagreement."
Rawls, John
R
"The idea of the social contract remains relevant to modern political theory."
Rawls, John