Frege, Gottlob

"We must reform language to reveal logical structure."

"Truth is objective; it cares nothing for our opinions."

"The sign points beyond itself to what is meant."

"Mathematical proof reveals what must be true, not what happens to be true."

"Logical analysis is the path to philosophical understanding."

"We speak as if objects have properties, but these are conceptual impositions."

"The content of thought transcends individual minds."

"What cannot be thought cannot be true."

"Concepts organize reality; they do not create it."

"Every meaningful statement has a logical structure that can be revealed."

"The laws of logic are not empirical generalizations."

"We must never confuse the act of thinking with the content of thought."

"Sense without reference is empty; reference without sense is blind."

"The objective world is knowable only through thought."

"Logic is the science of objective laws of thought."

"Understanding demands that we see through linguistic disguise."

"A proposition's truth is independent of who believes it."

"The fundamental distinction is between object and concept."

"Meanings are public; they are not private psychological entities."

"We must learn to think with absolute precision or not at all."

"The sense of a sentence determines what the world must be like for it to be true."

"Numbers belong to the objective world, not to the subjective mind."

"Logical form is what remains invariant across different expressions."

"We know truths not by intuition but by rigorous demonstration."

"The symbol is merely the vehicle; the meaning is what matters."

"To think clearly, we must first speak clearly."

"Objects fall under concepts; concepts do not fall under objects."

"Reality is determined, not contingent on our representations of it."

"The value of an expression lies in its contribution to truth-conditions."

"Philosophical progress requires linguistic and conceptual reform."