“What is accepted as knowledge today is sometimes rejected tomorrow. » What is knowledge? Knowledge can be defined as the theoretical or practical understanding of a subject acquired by a person through experience or education. There are seven official ways of knowing according to the Theory of Knowledge textbook provided by the IB Diploma Program: language, reason, perception, emotion, memory, imagination and intuition. These areas conflict with the subjectivity they may bring as they may be biased or influenced by personal feelings, tastes or opinions. There is therefore no certainty that the knowledge acquired in these areas is an absolute truth. It is therefore important to think about the following question: is there an absolute truth? This question continues to transcend throughout human history, even though justified true belief is now commonly accepted as pure knowledge. Thus, we accept as knowledge what we believe and can validate and justify with evidence. However, there is still no certainty that these beliefs are absolute. Since what is true for one individual may be false for another, or stronger evidence may emerge that overrides prior justification, knowledge accepted one day may be rejected the next. Two areas of knowledge in which knowledge has been pushed aside are history and the natural sciences. History is a field of knowledge that deals with the study of the past. Historians dedicate their lives to reevaluating and analyzing historical events, either with the aim of preventing them from repeating themselves or with the aim of using them as a reference to face the needs of contemporary society. However, analyzing the past can... middle of paper ...... with all this questioning, it makes perfect sense that some knowledge is discarded. To what extent is it necessary to constantly reject knowledge? It is necessary to question the validity of knowledge in order to promote the development of society. Works Cited “Definition of Knowledge in English:”. Knowledge: Definition of knowledge in the Oxford (American English) Dictionary (United States). Np, and Web. November 20, 2013. “History of the Holocaust.” Auschwitz. Np, and Web. November 22, 2013. “Night of Elie Wiesel”. About.com Judaism. Np, and Web. November 22, 2013. “The Eclectic School of Phytotherapy. » The eclectic school of herbal medicine. Np, and Web. February 20, 2013. “What is absolute truth? SageGEEK. Np, and Web. November 23 2013.