“It has been said that to appreciate what virtue and morals mean, men must live virtuous and moral lives. It is equally true, that a knowledge of the objects of science is not to be attained by any scheme of definitions, however carefully contrived. He who would know what geometry is, must venture boldly into its depths and learn to think and feel as a geometer.”

— James Joseph Sylvester

J. J. Sylvester. "A Probationary Lecture on Geometry", Collected Mathematical Papers, Vol. 2 (1908), p. 9 https://babel.hathitrust.org/cgi/pt?id=miun.aas8085.0002.001;view=1up;seq=25

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James Joseph Sylvester 7

English mathematician 1814–1897

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“The use of science in the practice of virtue, is considerable: the man who knows the beauty of virtue will follow it, however possible. Knowing the evil of wrong, he will avoid it, however possible. He listens to worthy praise, and keeps his distance from unworthy praise. From this is derived that science has a part in every virtue, and that ignorance has one in every vice. Man who is illiterate and who still practices virtue must be extremely pure, a virtuous being. This is the state of Prophets (PBUH) because God had conveyed goodness to them without they acquiring it from men.”

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“While it is true that science cannot decide questions of value, that is because they cannot be intellectually decided at all, and lie outside the realm of truth and falsehood. Whatever knowledge is attainable, must be attained by scientific methods; and what science cannot discover, mankind cannot know.”

Bertrand Russell book Religion and Science

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“[T]o teach virtue we must educate the emotions, and this means learning "what to feel" in the various circumstances that prompt them.”

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Science de l'homme: Physiologie religieuse (1858), p. 437

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James Joseph Sylvester 7

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