BOOK I PART IV
and find the new perceptions to resemble per-
fectly those, which formerly struck my senses.
This resemblance is observed in a thousand in-
stances, and naturally connects together our
ideas of these interrupted perceptions by the
strongest relation, and conveys the mind with
an easy transition from one to another. An
easy transition or passage of the imagination,
along the ideas of these different and inter-
rupted perceptions, is almost the same dispo-
sition of mind with that in which we consider
one constant and uninterrupted perception. It
is therefore very natural for us to mistake the
one for the other.^9
(^9) This reasoning, it must be confest, is somewhat ab-
struse, and difficult to be comprehended; but it is re-
markable, that this very difficulty may be converted into
a proof of the reasoning. We may observe, that there
are two relations, and both of them resemblances, which