Introduction to Objectivist Epistemology Quotes

“The truth or falsehood of all of man’s conclusions, inferences, thought and knowledge rests on the truth or falsehood of his definitions.”
― Ayn Rand, Introduction to Objectivist Epistemology

“It is worth noting, at this point, that what the enemies of reason seem to know, but its alleged defenders have not discovered, is the fact that axiomatic concepts are the guardians of man’s mind and the foundation of reason—the key-stone, touchstone and hallmark of reason—and if reason is to be destroyed, it is axiomatic concepts that have to be destroyed.”
― Ayn Rand, Introduction to Objectivist Epistemology

“The process of observing the facts of reality and of integrating them into concepts is, in essence, a process of induction. The process of subsuming new instances under a known concept is, in essence, a process of deduction.”
― Ayn Rand, Introduction to Objectivist Epistemology

“Since a value is that which one acts to gain and/or keep, and the amount of possible action is limited by the duration of one’s lifespan, it is a part of one’s life that one invests in everything one values. The years, months, days or hours of thought, of interest, of action devoted to a value are the currency with which one pays for the enjoyment one receives from it.”
― Ayn Rand, Introduction to Objectivist Epistemology

“Una validación objetiva se determina haciendo referencia a los hechos de la realidad.”
― Ayn Rand, Introducción a la epistemología objetivista (Colección Ayn Rand)

“(The degree of uncertainty and contradictions in a man’s hierarchy of values is the degree to which he will be unable to perform such measurements and will fail in his attempts at value calculations or at purposeful action.)”
― Ayn Rand, Introduction to Objectivist Epistemology