Ask the Chatbot Games & Quizzes ProCon History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
Karl Popper
Table of Contents
Introduction Quotes References & Edit History Quick Facts & Related Topics
Images
Karl Popper
Quizzes
Agathon (centre) greeting guests in Plato's Symposium, oil on canvas by Anselm Feuerbach, 1869; in the Staatliche Kunsthalle, Karlsruhe, Germany.
Philosophy 101
Read Next
Spiral Galaxy type Sa-Sb or Sa/Sb in the constellation Virgo. The majestic Sombrero Galaxy Messier 104 (M104) or NGC 4594. The team took six pictures of the galaxy, stitched them together to create the final composite image. Photo from May-June 2003
9 Britannica Articles That Explain the Meaning of Life
Aristotle (384-322 BC), Ancient Greek philosopher and scientist. One of the most influential philosophers in the history of Western thought, Aristotle established the foundations for the modern scientific method of enquiry. Statue
Philosophers to Know, Part I
Immanuel Kant (1724-1804), German philosopher. Print published in London, 1812. Profile portrait surrounded by Ouroboros ancient Egyptian-Greek symbolic serpent with tail in mouth devouring itself representing unity of material and spiritual in eternal...
Philosophers to Know, Part II
Discover
Diverse elementary school children wearing school uniforms running outside of school. Boys girls
Pro and Con: School Uniforms
Thanksgiving Celebration Traditional Dinner Setting Food Concept
Why Is Thanksgiving in the U.S. Celebrated on a Thursday?
Los Angeles Police Department wanted flyer on Elizabeth Short, aka the "Black Dahlia," who was brutally murdered in January 1947. The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that
America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)
Mayer Amschel Rothschild (1744-1855), founder of the house of Rothschild; lithograph by Friedrich Lieder, c. 1830.
Where Do Anti-Semitic Conspiracy Theories About the Rothschild Family Come From?
The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)
11 Banned Books Through Time
Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint
8 of the Largest Empires in History
Thumbnail for flags that look alike quiz Russia, Slovenia, Iceland, Norway
Flags That Look Alike

Karl Popper: Quotes

  • Fate
    We may become the makers of our fate when we have ceased to pose as its prophets.Karl Popper: The Open Society and Its Enemies
  • Ignorance and Stupidity
    Our knowledge can only be finite, while our ignorance must necessarily be infinite.Karl Popper
  • Security
    We must plan for freedom, and not only for security, if for no other reason than that only freedom can make security secure.Karl Popper: The Open Society and Its Enemies