BOOK III PART III
source, distinct from these three, viz. their in-
teresting the mind by a prospect of the mul-
titude, and importance of their consequences:
Though, in order to account for the operation
of this principle, we must also have recourse to
sympathy; as we have observed in the preced-
ing section.
It may not be amiss, on this occasion, to re-
mark the flexibility of our sentiments, and the
several changes they so readily receive from
the objects, with which they are conjoined. All
the sentiments of approbation, which attend
any particular species of objects, have a great
resemblance to each other, though derived
from different sources; and, on the other hand,
those sentiments, when directed to different
objects, are different to the feeling, though de-
rived from the same source. Thus the beauty of