Therearemenyetmoreprofound，whohaveheardthattwocolorlessliquorsmayproduceacolorbyunion，andthattwocoldbodieswillgrowhotiftheyaremingled。theyminglethem，andproducetheeffectexpected，sayitisstrange，andminglethemagain。
Icannottranscribethisextractwithoutanintenseinwarddelightinitswitandafullrecognitionofitsthoroughhalf-truthfulness。
Yetifwhilethegreatmoralistisindulginginthesevivacities，hecanbeimaginedasreceivingamessagefromMr。BoswellorMrs。
Thraleflashedthroughthedepthsoftheocean，wecansupposehemightbetemptedtoindulgeinanotheroracularutterance，somethinglikethis：——
Awisemanrecognizestheconvenienceofageneralstatement，buthebowstotheauthorityofaparticularfact。Hewhowouldboundthepossibilitiesofhumanknowledgebythelimitationsofpresentacquirementswouldtakethedimensionsoftheinfantinorderingthehabilimentsoftheadult。Itistheprovinceofknowledgetospeakanditistheprivilegeofwisdomtolisten。WilltheProfessorhavethekindnesstoinformmebywhatstepsofgradualdevelopmenttheringandtheloadstone，whichwerebutyesterdaythetoysofchildrenandidlers，havebecomethemeansofapproximatingtheintelligencesofremotecontinents，andwaftingemotionsunchilledthroughtheabyssesofthenolongerunfathomabledeep？——