“Observation is the ultimate and final judge of the truth of an idea.”
Richard Feynman
The meaning of it all (Primary source)
Three provocative 1963 lectures exploring science’s relationship to religion, politics, and society, wherein Feynman champions skepticism and intellectual honesty as essential virtues beyond the laboratory, published posthumously in 1998.
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“The third aspect of my subject is that of science as a method of finding things out. This method is based on the principle that observation is the judge of whether something is so or not. All other aspects and characteristics of science can be understood directly when we understand that observation is the ultimate and final judge of the truth of an idea.”
Richard Feynman
“Knowledge is of no real value if all you can tell me is what happened yesterday. It is necessary to tell what will happen tomorrow.”
— Richard Feynman Primary source“The prize is the pleasure of finding the thing out.”
— Richard Feynman Primary source“For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.”
— Richard Feynman Primary source“I think that to keep trying new solutions is the way to do everything.”
— Richard Feynman Primary sourceMore quotes by Richard Feynman →
“The belief in an external world independent of the perceiving subject is the basis of all natural science.”
— Albert Einstein Primary source“The test of all knowledge is experiment. Experiment is the sole judge of scientific truth.”
— Richard Feynman Primary source“The prize is the pleasure of finding the thing out.”
— Richard Feynman Primary source“Simplicity is the ultimate sophistication.”
— Leonardo da Vinci Disputed