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# Title: An Essay Concerning Humane Understanding (shelfmarks Leibn. Marg. 38; ZEN Leibn. Marg. 38)
# Folio 86, page id 778263916:0102
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Duration, and its simple Modes, _C.
5. 8. On the contrary, thines that move (o Twist, as not to aftect the
Senles distinctly wich several distinguistrable distances of their Motion.
and (0 caule not any train of Ideas in the Mind, are not allo perceived.
For any thins, that mores round about in a Circle, in less eime than
Our Ideas are want to succeed one another in our Mindsu is nor perceived
tomore; but seems eobea perfect entire Circle ofthat Matter, Or C olour,
and not a part of a C ircle in Motion.
6. 9. LTenceI leare it to others to judse, Wrhrether it De not probable
that our Ldeas do, Wrhilstre are arake, lucceed one another in our Minds
at certain distances, noc much untikce thelmages in che inlice oF a L an
thorn, turned round by the Feat ot a Candle. This Appearatice ol
cheirsintrain, thoush, perhaps, it may be formecimes falter, and some-
times Aorver; Vet, Iguels, varies not very much in a watring Mtan:
There Ceem eo be certain Bounds tothe quicteness and souness of the duc-
cession os those Ideas one to another in our Mincs, Beyond Which ther can
neicher delar nor hacten.
9. F0. The Realon Phave for this odd conjecture is, trom oblervine thac
in thie imprecsions made upon anz or our senses, wre ean but to a certain
desrec perceire any Succession; Which il exccedins quichi, the Sense ot
Succession is lost, eren in Cales irhere it is cvident, that there is a real
SuCCession. Let a Cannon- Ballet pass throuph a Room, and in ils tray
cale rith ic any Limb, or Aests Parts ol a Man; tis as clear as any De-
monstration can Be, that it must sritse successively the two sides ot che
ROOm: Tis also evidene, that it must touch onc part of the FleM ArIt,
and another alter; and (0 in Succession: And yet I beliere, no BO.
di, who ever felc the pain oF such a Thor, or heard ehe blo against the
tiro distant WValIS, could perceire ans succession, citter inthe pain, or
Tound oF s0 svise a Ptrolce. Such a part ot Duration as this, Wrherein we
perceire no Succession, is that wrhich re may call an Instans; anc is thar
Which takes up the time of onty one Idea in our Mincs, Wittiout the succes
lion ot another, Wherein cheretore we perceive no succestion at ai.
S. FF. This also happens, Where the Motion is (0 stow, a5 not to supp)v
a constant train of Fresti Ideas to the Senses, 25 fast as the Mind is capable
oFreccivins ner ones intoit; and (0 other Ideas oF our omn ThoughES,
havinsroom to come into our Minds, betreen thole oftered to our Sen.
ses by chemovins Body, there the Sense of Motion is lost; and the BodY,
though it really move, set nocchangins perceivable distance with someo-
ther Bodies, as Fast asthe Ldeas ot our ovn Minds do naturalsy Follo one
another in train, the thing seems to stand still, as is evident in the LTando
OE ClOcks, and Stadors ot Sun-dials, and octier constane, but ROW NO-
tions, Where though alter certain Interrals, re perceire by the change ot
distance, chat it hath movec, et the Motion it selF we perceire not.
9. F2. Sothat to me it scers, that the constant and recular Succession of
Ideas in a wakring Nan, are, as it vere, the Measure and Standard of all
ether Succession, Which it it cither exceeds their pace, as Where tro lounds
Or pains, (3c. tatre up in eheir succestion the Duration ot but one Idea;
Or else irhere any Motion or Succestion is (0 Po, as that it Kecps notpace
ich the ideas in our Minds, Or the quictenels, in irhichthey tatre their
turNS, as erhen anr one, or more Ideas in their ordinarr courle come in-
toour Mind berreen those mhich are offered to the sighe, by the disterent
perceptible distances of a Body in Motion, or betreen Sounds, or Smells,
tollomins one another, there allo the sense ot a constant continued Suc.
cestion is Lost, and We perceire il not, bur wich certain saps ol rest
Detireen.
BooK.