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Probability is expectation founded upon partial knowledge. A perfect acquaintance with all the circumstances affecting the occurrence of an event would change expectation into certainty, and leave neither room nor demand for a theory of probabilities.

— George Boole An Investigation of the Laws of Thought (1854)

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More quotes by George Boole

The general laws of Nature are not, for the most part, immediate objects of perception.

An Investigation of the Laws of Thought (1854)

For how shall the finite comprehend the infinite?

An Investigation of the Laws of Thought (1854)

It is not of the essence of mathematics to be conversant with the ideas of number and quantity.

An Investigation of the Laws of Thought (1854)

I firmly believe, for the accomplishment of a purpose of the Divine mind...

George Boole (1854)

To deduce the laws of the symbols of Logic from a consideration of those operations of the mind which are implied in the strict use of language as an instrument of reasoning.

An Investigation of the Laws of Thought (1854)

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Quote text and notes from Wikiquote: George Boole (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.