“The way of science is paved with discarded theories which were once declared self-evident;” — Karl R. Popper Discarded Copy Share Image
“It is not the consciousness of man that determines his existence—rather, it is his social existence that determines his consciousness.” — Karl R. Popper Consciousness Copy Share Image
“Most of us, it seems, have a strong inclination to accept the peculiarities of our social environment as if they were ‘natural’.” — Karl R. Popper Environment Copy Share Image
“the alleged clash between freedom and security, that is, a security guaranteed by the state, turns out to be a chimera. For… — Karl R. Popper Cybersecurity Copy Share Image
“Democracy and freedom do not guarantee the millennium. No, we do not choose political freedom because it promises us this or that.… — Karl R. Popper Freedom Copy Share Image
“Instead of the greatest happiness for the greatest number, one should demand, more modestly, the least amount of avoidable suffering for all;… — Karl R. Popper Happiness Copy Share Image
“What a monument of human smallness is this idea of the philosopher king. What a contrast between it and the simplicity of… — Karl R. Popper Nature of man Copy Share Image
“There is no law of progress, and everything will depend on ourselves. But the actual situation is briefly and fairly summed up… — Karl R. Popper Capitalism Copy Share Image
“It has been indicated above that because of its self-sufficiency, the ideal state appears to Plato as the perfect individual, and the… — Karl R. Popper Ideal State Copy Share Image
“For Aristotle’s essentialist definitions are the principles from which all our knowledge is derived; they thus contain all our knowledge; and they… — Karl R. Popper Long story Copy Share Image
“Should you ever intend to dull the wits of a young man and to incapacitate his brains for any kind of thought… — Karl R. Popper Hegel Copy Share Image
“My argument against a naive form of empiricism was essentially anticipated by Mark Twain. On his first appointment as a reporter, he… — Karl R. Popper Empiricism Copy Share Image
“I am not in all cases and under all circumstances against a violent revolution. I believe with some medieval and Renaissance Christian… — Karl R. Popper Revolution Copy Share Image
“All political ideals, that of making the people happy is perhaps the most dangerous one. It leads invariably to the attempt to… — Karl R. Popper Freedom Copy Share Image
“What we should do, I suggest, is to give up the idea of ultimate sources of knowledge, and admit that all knowledge… — Karl R. Popper Dreams Copy Share Image
“First, it must be admitted that certain forms of behaviour may be described as more ‘natural’ than other forms; for instance, going… — Karl R. Popper Habits Copy Share Image
“The fascist appeal to ‘human nature’ is to our passions, to our collectivist mystical needs, to ‘man the unknown’. Adopting Hegel’s words… — Karl R. Popper Hegel Copy Share Image
“ But are there philosophical problems? The present position of English philosophy - my point of departure - originates, I believe, in… — Karl R. Popper Philosophy Copy Share Image
“The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and of error.… — Karl R. Popper Dreams Copy Share Image
“Historically, all ethics undoubtedly begin with religion; but I do not now deal with historical questions. I do not ask who was… — Karl R. Popper Christian ethics Copy Share Image
“According to this conception, the ultimate causes of all social changes and political revolutions are not increasing insight into justice; they are… — Karl R. Popper Change Copy Share Image
“Society and the individual are thus interdependent. The one owes its existence to the other. Society owes its existence to human nature,… — Karl R. Popper Community Copy Share Image
“The principle of the national state, that is to say, the political demand that the territory of every state should coincide with… — Karl R. Popper Politics Copy Share Image
“The derivation of the historical law of increasing misery is thus invalid. All that remains is a moving description of the misery… — Karl R. Popper History Copy Share Image
“We all remember how many religious wars were fought for a religion of love and gentleness; how many bodies were burned alive… — Karl R. Popper Acts of violence Copy Share Image
“There is only one further use of violence in political quarrels which I should consider justified. I mean the resistance, once democracy… — Karl R. Popper Democracy Copy Share Image
“Plato summarizes his reply to equalitarianism in the formula: ‘Equal treatment of unequals must beget inequity’20; and this was developed by Aristotle… — Karl R. Popper Equal treatment Copy Share Image
“(a) Nationalism, in the form of the historicist idea that the state is the incarnation of the Spirit (or now, of the… — Karl R. Popper Great man Copy Share Image
“Relativism is one of the many crimes committed by intellectuals. It is a betrayal of reason and of humanity.” — Karl R. Popper Copy Share Image
“Scientific’ Marxism is dead. Its feeling of social responsibility and its love for freedom must survive.” — Karl R. Popper Freedom Copy Share Image
“A people ought to fight for the laws of the city as if they were its walls.” — Karl R. Popper City walls Copy Share Image
“It is our duty to help those who need our help; but it cannot be our duty to make others happy, since… — Karl R. Popper Cybersecurity Copy Share Image
“And it implies that if we respect truth, we must search for it by persistently searching for our errors: by indefatigable rational… — Karl R. Popper Self criticism Copy Share Image
“The theory I have in mind is one which does not proceed, as it were, from a doctrine of the intrinsic goodness… — Karl R. Popper Democracy Copy Share Image
“When the Marxists say, as they sometimes do, that Marx has proved the uselessness of a counter cycle policy and of similar… — Karl R. Popper Speak the truth Copy Share Image
“I wish to make it clear that ‘history’ in the sense in which most people speak of it simply does not exist;… — Karl R. Popper History Copy Share Image
“Nationalism appeals to our tribal instincts, to passion and to prejudice, and to our nostalgic desire to be relieved from the strain… — Karl R. Popper Individual responsibility Copy Share Image
“The prophetic element in Marx’s creed was dominant in the minds of his followers. It swept everything else aside, banishing the power… — Karl R. Popper Change the world Copy Share Image
“What I criticize under the name Utopian engineering recommends the reconstruction of society as a whole, i.e. very sweeping changes whose practical… — Karl R. Popper Utopia Copy Share Image
