Knowledge helps people orient themselves in the world and problems solving.Therefore knowledge is a human thought process and is used to separate humans from othercreatures. Basically, everything is done by humans because in essence humans have a noblepurpose in life that is higher than just survival. So that humans always to develop knowledge.One of the ways to gain knowledge is through science, through observation, experimentation,classification and analysis. In principle, science is an attempt to organize and systematize aknowledge that comes from experiences and observations in everyday life. The generalprinciples in the philosophy of science develop from curiosity then to develop knowledge.Keywords: Knowledge, Science, Philosophy of sc...