A publication concerning the relevance of Einstein's theory of relativity to human relations in contemporary times.

Introduction: a seminal idea - the principle of relativity; toward an abstract view of nature; Einstein's ideas of special relativity; the principle of relativity - from Galileo to Einstein; relative time and the twin paradox; the Mach Principle; the curvature of space-time; gravitation and crucial tests of general relativity; Faraday's unified field concept; the night sky; cosmology.