The practical expression of this conception appears in the naturalism of Lucretius, or Diogenes, or Omar Khayyam.
"The Approach to Philosophy"
Ralph Barton Perry
Were the extreme claims of naturalism to be established, there would be no ground whatsoever upon which to maintain the immortality of man, mere dust returning unto dust.
"The Approach to Philosophy"
Ralph Barton Perry
Such is clearly the case with naturalism.
"The Approach to Philosophy"
Ralph Barton Perry