With his views of societies, social change, and critique of capitalism, Karl Marx established new theories about quality of life and man's role in the political and social agenda. Because his writings bared new and plausible conclusions, many modern thinkers, humanists, and moralists quickly e...

"We hold these Truths to be self-evident, that all Men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the Pursuit of Happiness -- That to secure these Rights, Governments are instituted among Men, deriving their jus...

Decades of controversy about the nature and appropriate boundaries of his discipline led the economist Jacob Viner to observe that "economics is what economists do." Somewhat more precisely, economists engage in systematic inquiry into the effects of those human activities which are grouped under t...