Karl Popper Quotes


Optimism is a duty. The future is open. It is not predetermined. No one can predict it, except by chance. We all contribute to determining it by what we do. We are all equally responsible for its success.


Citations

Karl Popper, 1902-1994, Political Philosopher, Quoted in Reason, July 2001

Sourced by: Eigen's Political and Historical Quotations

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Karl Popper
Karl Popper
  • Born: July 28, 1902
  • Died: September 17, 1994
  • Nationality: Austrian
  • Profession: Philosopher

Sir Karl Raimund Popper CH FBA FRS was an Austrian-British philosopher, academic and social commentator.