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# Title: An Essay Concerning Humane Understanding (shelfmarks Leibn. Marg. 38; ZEN Leibn. Marg. 38)
# Folio 91, page id 778263916:0107
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D1.
D. ZIV. Duration, and its simple Mdde
necdtul, in ehis place, to malte use oF Arguments, to erince the WorId tC
Detinito, boch in Duration and Extention: Bur it beins at lealt as con-
ceirableas the contrarr, Phave certainly the liberer to suppole it, as WeiI
25 an) onc hath to suppose thie contrary; and I doube not but that everu
one that ill e0 about it. maz casils conceive in his Mind the becinnine of
Motion, thouch not of alt Duration; and (o mar comne to a op, and non
ultra in his Consideration of Notion: (0 allo in his Thoushes he may set
limits to BodY, and the Extension belonsins to it, but not to Spacc
Where no Body is, the utmost boundsot space and Duration beins berond
the reach OF FhoushES, as ell as the utmost bounds oF Number arO
berond tho largest comprehention ol the Minc, and alltor the lame realon,
2d we Malt sec in anocher placc.
6. 28. By eho samo means cherelore, and From the same Original that
re comerohare the Ideaof Time, e have also that Idea irhrich ve calt
Piernity, 2iz. havine got the Idea ot Succession and Duration, by re-
Aectins on the Prain ot our omn Ideas, caused in us cither by the natural
appearances ot those Ldeas, comino constantis ot themselres into our Wva-
Kins Thoustus, or elle caused by external Objects successivels aftectins
our senses; and harins srem the Rerolutions oi the sun got the ideas of
certain lensths ofDuration, We can, in our Thoushus, add such lensths
et Duration to oncanother, as olten as e please, and apply chem, (0 ad.
ded, to Durations vast or to come: And this re can continue ro do On,
Withoutbounds or limits, and procced in infinirum, and apply thus the
lenoch ol the annual motion of the sunto Duration, suppoled betore the
Suns, or any ocher Morion hadits beins; Which is no more difficule or
absurc, than to apply thenorion I have ot themovins ol a Straco, ono
FTour to das uxon the sun dial, ro the duration oF somethine las nigHE;
V. 8. Theburnins of a Candlo, whichis no absolutels separate trom all
actual motion, and it is impoltible for the duration ol that llame tor an
tour last nighe, to co exist rithan Morion thatnon is, or tor ever aII
be, as For any part of Duration, thât ras belore the beginnins ol the
Worid to co. exilt wichthe morion ol the sun nou. But yet this hinders
not, but thacharing the Idea oEthe lenschofrhie Morion of the Strado
on a Dial, betireen the Mlarks oF erro FTours, I can as diltinctly meature
in my Thoushes the Duration oF that Candle lalt nigtt, 25 I can any
thino that docs no exict: And it is no more than tothint, that had the
Sun ione then or the Dial, and moved alter tho same rare it doth nov,
the Madom on the Dial iould have passed trom one FTour lineto another,
erhils chat Flame of the Candle lalted.
d. 29. Thenotion of an HOur, Dar, or Pear, beine only the Idea1
have otthe lengch ot certain periodical regular Motions, neither of erhrieh
Motions doerer allatonce exist, but ouly in the Ideas Phave oFthem in
ny Memorr derired from my Senles or Reflection, l ean with the lame
eale, and for thelame reason, appls in my Thoushts ro Durarion, ante-
cedent to all imanner OF MOtiOn, as ell as to any thins that is but a
Minute, Or a Day, antecedene to this prelent Motion that ac this very
momient the sun is in. AIl chines past are equalls and pertectls at rest;
and to this raz of consideration of them, are all one, Whether ther ere
belore the beginnins ol the Worle, or but vesterday; the measurine of
ans Durarion, by fome motion, dependins noc at all on the real co exi-
Aence oF chat thins to that motion, or anr other Periods oE Revolution
Due che havins a clear Idea of the lenethof some periodical knorn MO.
tion, or ocher intervals oF Duration in mny Mind and applyins that to the
Duration ot the thins L vould measure.
CH.