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.Share this articleLeave a commentEpoch Times StaffAuthorAuthor’s Selected ArticlesDay in Photos: Storm Amy in the UK, Swearing-In Ceremony of Swiss Guard, and Protests in MadagascarOct 04, 2025National Federation of Republican Women 43rd Biennial ConventionOct 03, 2025Day in Photos: Chevron Refinery on Fire, Government Shutdown, and ‘The Stars’ InstallationOct 03, 2025Are Illegal Immigrants Receiving Medicaid?Oct 02, 2025Related TopicsAlbert EinsteinScienceresearchphysicsrealityquote