Science in Quotes: The Study of Physics“Physical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world.”SavePrintAmal Chen/The Epoch TimesEpoch Times Staff2/10/2012|Updated: 10/1/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.
