St DISCU RS US XVIII.
N Atur a operadi ratio eft inomnib.univerfiindividuis,utfim- piici utaturproceflu ad unii fimplicemotuperficiendu,quead- modu apparet in Anatomia corporis humani,in quo unus mufculus tantum uni infervit motui,nempe attradivo,expanftvo vero alter primo oppofuus, itaut, fi ingyruaiiquodmernbruducedufitjid variis in circulum pofitis mufculis efficiatur: Ita ignis operatio una & fimplex eft,ut nimiru calefaciat Sc igniat,imo fibi affimilet & co- buratomnia } quib.admovetur,fifintc6buftibilia:HincAyicenain lib.de congelatione lapidu,quod cadit,inqmt,in falinas,fit fal,6c q> in igne,fit ignis,fed qu^da citius 6c quasdam tardius/ecundirm potentia adivaru 6c reliftentiapaffivaru:Eftqj locusin Arabia,quico- lorat omnia corpora in ea exiftetia,fuo colore: Ita lingulares naturales fibi a natura infufam virtute poffid£t,qua agat in fibi mixta vel admotaaffimilando&alteradoeoru natura & rorma:Quodin ve- getabilib.& animalib generatio eft per feminu propagationejjoc in fimplicib.velfimpliciter mixtis corporib.eft virtutis infufio&af fimilatio: Sol, coeli lume, radios de fefe projicit in terras,quicolle&is in concavis vel coburentib.fpecuIis,demonftrat fefea talicaufapro- dudosefle,acquafi formas projedibiles Solis videri :lIndeconftat radios folares nihil aliud efle,quam flamma ignea extefam & dilbe r- fam in ampla latitudine,quar collecta & iterum in fe codefatainicru- metis cocavis,diaphanis &c circularib.vel repercuffivis,cocavis & chalybeisfpeculis,utiflammaemicat & obvia coburit:Eundem ad modu in quodaelementato corpore virtus quaeda,velut vapor, di- fpergitur,quasfi colligatur &attrahaturinunu,fitaqua&exeaaqua terra: Hinc A vicena ante allegato loco,ex aqua, inquit, fit terra, cu
vincuteaqualitatesterrae&;econverfb:Eftauteresquasda,quautu- turquidaingenioft cum volunt re flccam coagula re,quas coponitur
ex duab.aquis,& dicitur lac virginis,quod eft ejusefiedus certifli- mus. Haecille: Sunt,qui promittant,fe in magnete lapideviresdu- plicare vel multiplicare pofle,velutiejufmodi nobis vifuseft argeto inclufusvixp6dereuniuslibraj,quianchora ferrea i8.1ibraru attraxit & fuftinuit,q> impoffibile fuiflet,nifi vis audior Sc fortior reddita