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# Title: Wherein the chief Causes of Error and Difficulty in the Sciences, with the Grounds of Scepticism, Atheism, and Irreligion, are inquir'd into (shelfmark Leibn. Marg. 52)
# Folio 56, page id 797331344:0068
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Ofthe Principles ParE I.
manitestlr co prove thacColours, l’actes,
eoc. Fxist ouly in che Mind, and he Mall
find ther may wich. equal force, bc
broushe to prore che lame ching of Fx-
cention, Fisure, aud Mocion. Tho it
must be contels d ehis method ot Arou-
ing does noc so much prove chac there
isno Excention, Colour, eoc. in an Out-
Wrard Object, a5 thac wre do noc knon
by Sense Wrhich is che truc Extension or
Colour ofche Object. But the Arou-
menes foregoins plainlr shew ic to bc
impossible thac aur Colour or Excensi-
on at aIl, or ocher sensible Dualier What-
fOerer, Moud Eixist in an unchintins
Subicet ichout che Mind, or in truch
that chere Moud bc anr such thins as
an outward Object.
S 16. But lec us examine a licele che
reccird Ovinion: Ic is Paid Excention
15 a mode or accident ot Matter, and
chat Matter is thc substratum chat sup-
POrES It. NTo Idesire thac rou voud
explam co me Wvhatis meane by Mac
cerS supporrins Extention: Say vou, I
hareno Idca ot Matrer and cheretore
Cannot.