[12] Still, however, itmustnotbesupposedthatthesedistinctionsenableustoseparateordinaryknowledgefromscience, , theyyetleadustorecognizetheiressentialidentity; , ontheonehand, thecommonestpositiveknowledgeistosomeextentquantitative; , ontheotherhand, thehighestquantitativeprevisiondoesnotreachtheexacttruth, ; withoutscalesheknowsthatstoneisheavierthanflesh: thatis, hecanforeseerespectingcertainresultsthattheiramountswillexceedthese, andbelessthanthose － , withhismostdelicateinstrumentsandmostelaboratecalculations, allthatthemanofsciencecando, istoreducethedifferencebetweentheforeseenandtheactualresultstoanunimportantquantity.
[13] Moreover, itmustbeborneinmindnotonlythatallthesciencesarequalitativeintheirfirststages, — notonlythatsomeofthem, asChemistry, havebutrecentlyreachedthequantitativestage — butthatthemostadvancedscienceshaveattainedtotheirpresentpowerofdeterminingquantitiesnotpresenttothesenses, ornotdirectlymeasurable, , widelyastheydifferinrange; theypossessacommonimperfection, thoughthisisimmenselygreaterinthelastthaninthefirst; andthetransitionfromtheonetotheotherhasbeenthroughaseriesofstepsbywhichtheimperfectionhasbeenrenderedcontinuallyless, andtherangecontinuallywider.
Notes
: (ofanobject, quality, etc.) referredtoornamedspecificallysoastoexcludeanythingnotdirectlyconnectedwithit
: connectorlinktogether
: capableofbeingknown; perceptible
: describeindetail
: separationordistinction
: 硫酸铁
: 碳酸钠
: 静力学
: 动力学
: 测力计
-glasses: 沙漏
: 漏壶
: design, devise
QuestionsforFurtherThinking
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