With respect to nations, we ought to distinguish
between the passion of jealousy and a jealousy arising from customs,
manners, and laws. The one is a hot raging fever; the other, cold, but
sometimes terrible, may be joined with indifference and contempt.
The one, an abuse of love, derives its source from love itself. The
other depends only on manners, on the customs of a nation, on the laws
of the country, and sometimes even on religion.
[20]
It is generally the effect of the physical power of the climate;
and, at the same time, the remedy of this physical power.