Popper, Karl

Philosopher Austrian-British 1902 – 1994

Developed falsifiability criterion for scientific theories.

381 quotes

"Democracy is not perfect, but it is the least bad system we have devised."
Politics
"The open society is one that allows for continuous revision of its institutions."
Freedom
"We must distinguish between the map and the territory, between words and reality."
Philosophy
"Kindness and intellectual honesty are not opposites; they are companions."
Kindness
"The habit of expecting the worst is not wisdom; it is merely a habit."
Hope
"All objects are only possibilities for knowledge, not knowledge itself."
Knowledge
"We grow through adversity, not in spite of it."
Perseverance
"Logic is the method of philosophy; poetry is its spirit."
Philosophy
"The pursuit of truth requires the courage to admit one's errors."
Courage
"Every solution to a problem creates new problems."
Philosophy
"We cannot live without myths, but we can learn to distinguish the useful from the harmful."
Wisdom
"Pleasure is not the purpose of life; growth is."
Life
"We are all apprentices in a craft we never master."
Education
"The scientific method is not about proving theories; it is about testing them."
Science
"What makes us human is our capacity to wonder, to question, to seek understanding."
Wisdom
"Fear of the unknown has prevented more progress than the unknown itself."
Fear
"Art is the voice of what cannot be articulated in rational discourse."
Art
"We must learn to tolerate disagreement while maintaining civil discourse."
Peace
"The tragedy is not that things end, but that we fail to appreciate them while they last."
Time
"Our beliefs are hypotheses to be tested, not fortresses to be defended."
Philosophy
"The pursuit of perfection often prevents the achievement of the good."
Wisdom
"Every society carries within it the seeds of its own destruction or renewal."
History
"We are bound by our history, but not determined by it."
Freedom
"The unexamined life is not worth living, but the over-examined life is not livable."
Philosophy
"What we resist persists; what we examine can be transformed."
Change
"Happiness is not a destination; it is the quality of the journey."
Happiness
"We must cultivate the habit of asking: How do I know this is true?"
Education
"The world does not revolve around us, though we naturally feel as if it does."
"Patience is not passivity; it is the active endurance of difficulty."
Patience
"We are the sum of our choices, not our circumstances."
Life