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# Title: An Essay Concerning Humane Understanding (shelfmarks Leibn. Marg. 38; ZEN Leibn. Marg. 38)
# Folio 87, page id 778263916:0103
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Chap. LL LV. Duration, and its simple Modes
5. F3. IF it be (0, that the Ideas ot our Minds, Whils we tave any
there, do constantly chanse, and silt in a continual succession, it roula
De impossible, may ans one sar, For a Man cothink lons ol any onethins:
By erhich it it De meant, that a Man maz have one self. Came ponele Idea a
lone time alone in tis Mind, without any variation at alb T think, in Mlat-
ter oF Fact it is not possible, For Wrtrich (not Hnowing how the Ideas ot our
Mlincs are tramed, oF What Materials they are made, erhience they have
their Y johE, and hor cher come to makse cheir AppearanCCS,) L ean sive
no other Reason but Experience: and l erould have any orie err, irhecher
he ean leep one unvaried sinole Idea in his Mind ithout an, ortier, for
any considerable rime together.
8. F4. For Frial, lex him cake any Fioure, any Deorec ot Liptic or Whire
nels, Or what ocher he pleales; and he Will, I supposo, find it difficule eo
Keep all ocher Ldeas out oF his Mind: Bur that lome, cittier ol another
Kind, or various Consideration oF that Ldea (each of Which Consideration
is a neW Idea) ill constanty succeed one anoctier in his ThOUGHES, lCE
himm bC as Wary as he Can.
6. F5 AII that is in a Man s Porer in this Case, P think, is ontr to mind
and observo Wrhat the Pdeas are, that take their turns in his Undepstin-
dins; or elso, 1o direct the sort, and call in such as he hath a desire or use
OE: bur hinder the constant Succession oF trest ones, I thinte he cannot,
thouxh he mar commonls chuse, Whether he ill hecdtulli obserre, and
Consider Fhem.
5. 26. Whecher these sereral Edeas in a ManSMind be macle by certain
Motions, IWill not here dispute: Buc this lam lure, that ther include no
Idea oF Motion in cheir Aprearance; and il a Man had noc thc Idea ot
Morion ocherwise, Pthints, he vould have none at alI, Wrhich is enougheo
y present Purpole; and suffcient ly Mews, that the notice We take ofthe
Ideas ofour onn Minds, appearins there onc alter another, is that wrhich
sires us the Ldea ot Succession and Duration, Without wrhich we Mould
have nO such Ldeas aF aII. Tis not then, Morion, Duc the constant train
OF Ideas in our Minds, Wrhilst we are walcine, that farnistres us with the
Idea of Duration, WhereoMotion no otherrise sires us any Perceptioi.
thanas it causes in our Minds a constant succesion of Ideas, as P have bct
Fore Mrewed: and e hare as clear an Idea ot Succestion, and Duration
brcherrain of Ldeas succcedins one another in our Mlincs, Without che
Idea ot any Morion, as by the train oE Ldeas of the uninterrurted chanse
oF distance berwoen ero Bodies, Which etiare tromMorion; and there.
fore we Mould as ellhare the idea oF Duration, vere chere no Senle ot
Motion ac aIl.
5. 17. Flavins thus gor the Idea or Duration, the nexe thins natural
For theMtind to do, is to ser lomemeasure of this common Duration, Where.
by it might judse of its different lenoths, and consider the distinet Order
rherein several chines exist, without which a great part of our Rnomledoe
rould be consued, and a great part ol Isistory be rendered very uselels.
This Consideration oE Durations, as set out by certain Periods, anid
markied by certain Measures Or Fpochs, is that, Pchinle, Which most pro-
Perly We cali Fime.
5. 28. In themeasurins OF Extension there is nothing more required buE
ehe Applicarion olthe Scandard or Mealure Wemalse ule ol, to the thins ot
Whose Fixtension We rould be informed. But in themeaturinque of Duration,
this cannor bedone, becaule no trro different parts of Succestion can BC puF
together to meature one anocher. And nothine beine a measure of Dura-
sion, buc Durarion; as nochins is oE Extension bu Excension, WC can-
NOL