Karl Popper Quote: We can all participate in the heritage of man. We all can help to preserve it. And we can all make our own modest contribution to it.
Karl Popper Quote: “Optimism is a duty. The future is open. It is not predetermined. No one can predict it, except by chance. We all contrib...”
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Karl Popper Quote: “It is not his possession of knowledge, of irrefutable truth, that makes the man of science, but his persistent and reckl...”
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