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Why Should One Act on Principle?

Leonard Peikoff

Presented at: FHF 1988 Why Should One Act on Principle

Date: Apr 24, 1988

Ours is an age of “complexity worship” says Leonard Peikoff in this lecture on the nature and necessity of principles. Rejecting the spurious charge of “simplisticism,” he shows how today’s pragmatism reduces man to the perceptual level, i.e., to the state of an animal. This is an invaluable lecture on the principle behind the principles.


Parts: 1

Handout: none

About This Presentation


  • Print, 2011 (En) - Why Businessmen Need Philosophy (Part 3)
  • VHS, 1988 (En) - via Second Renaissance Books
  • Campus, 2016 (En) - Text transcript
  • Print, 1989 (En) - The Intellectual Activist (February 27, 1989)
  • YouTube, 2018 (En) - 90 mins
  • e-Store, 2018 (En) - 91 mins
  • Campus, 2018 (En) - 1229 mins - Includes 14 Ford Hall Forum talks