BOOK II PART III
but supposing that the usual contrariety pro-
ceeds from the operation of contrary and con-
cealed causes, we conclude, that the chance
or indifference lies only in our judgment on
account of our imperfect knowledge, not in
the things themselves, which are in every case
equally necessary, though to appearance not
equally constant or certain. No union can be
more constant and certain, than that of some
actions with some motives and characters; and
if in other cases the union is uncertain, it is no
more than what happens in the operations of
body, nor can we conclude any thing from the
one irregularity, which will not follow equally
from the other.
It is commonly allowed that mad-men have
no liberty. But were we to judge by their ac-
tions, these have less regularity and constancy