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Comparing Rationalism and Empiricism: Exploring the Foundations of Knowledge Acquisition

Updated: Mar 25, 2023

Jamari Graham


Epistemology, the theory of knowledge, explores how we acquire knowledge through experience or education, and how we combine new knowledge with previous understanding. Rationalism and Empiricism are two approaches to knowledge acquisition that are frequently compared and contrasted in epistemology. Rationalists place a higher degree of importance on reason as the primary source of knowledge, while empiricists believe that knowledge is acquired through the senses. Philosophers such as Socrates, Rene Descartes, John Locke, David Hume, and Bishop George Berkeley have all contributed to the development of these two schools of thought.

Rationalists debate the context of a concept and consider whether knowledge can overturn sensory experiences, while also examining how reason can provide additional knowledge about the world. Conversely, empiricists believe that the senses are the only genuine source of knowledge, and new knowledge is formed by using the senses to perceive things. Rene Descartes, who is considered the father of rational philosophy, famously stated, "Cogito, ergo sum" meaning, "I think, therefore I am," in reference to the foundation of knowledge. However, the first point of empiricism is that "The only source of genuine knowledge is sense experience," contradicting rationalism.

Epistemology also considers how knowledge is incorporated and whether new knowledge is obtained through senses or reasoning. The Descartes Standard, which allows knowledge to be created from assumption-based reasonable doubt, is an example of rational thinking. Empiricist thinking aligns with the concept of cognition, which involves acquiring knowledge and understanding through thought, experiences, and senses. However, knowledge can be lost if it is not practiced or applied over time.

Ultimately, empiricists and rationalists explore the foundations of truth, creativity, and intellectualism in epistemology. While rationalists believe that we come to experiences with preemptive tools for creativity, empiricists would agree that some forms of knowledge are unobservable and do not contribute to rationalist views. The objectivity of knowledge is a significant consideration in epistemology, with both schools of thought seeking to define the nature of knowledge and its relationship to truth and belief origin.


Chaffee, J. (2014). How can we know the nature of reality? In The philosopher's way: Thinking critically about profound ideas. Harlow, Essex: Pearson.

Boyle, D., 2009, Descartes on Innate Ideas, London: Continum.


Compton, P., and R. Jansen. “A Philosophical Basis for Knowledge Acquisition.” (3rd European Knowledge Acquisition for Knowledge Based Systems Workshop 1989), 2010, pdfs.semanticscholar.org/f597/5b8a18564017e7d6817e41d3868a3b2f0642.pdf.


Green, Michael. “Descartes on Knowledge .” Problems of Philosophy, 4 Oct. 2010, carneades.pomona.edu/2010-PoP/1004-nts.shtml.

 
 
 

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