The Principle of Relativity (Barnes & Noble Digital Library‪)‬

With the popularization of Albert Einstein’s Principle of Relativity, many were questioning how such statements as “a clock will strike the hour later or sooner according to the point of view from which it is watched” were possible. Carus attempts to explain the Principle through these essays, including “On The Absolute,” “Tricks of Cognition,” “Objectivity,” and more.