Bernard Bolzano Quotes
Bernard Placidus Johann Nepomuk Bolzano was a Bohemian Catholic priest, mathematician, logician, and theologian, often called the great-grandfather of analytic philosophy. Trained in mathematics and theology at Prague, he held the chair of philosophy of religion at Charles University until political and ecclesiastical pressure forced his removal in 1819. The quotes below are attributed to Bernard Bolzano, organized by topic.
Bernard Bolzano on Knowledge
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Attributed to Bernard Bolzano:
“Mathematics rests upon a few clear concepts, properly defined.”
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Attributed to Bernard Bolzano:
“Every science deserves a presentation that is rigorous and complete.”
Bernard Bolzano on Truth
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Attributed to Bernard Bolzano:
“Truths in themselves are independent of any thinking mind.”
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Attributed to Bernard Bolzano:
“Logic is the science of the laws of truth.”
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Attributed to Bernard Bolzano:
“An infinite collection is one that can be put in correspondence with a proper part of itself.”