It is therefore attended with a very high pleasure; but as it is by no means designed to be our constant business, it is not fit that the absence of this pleasure should be attended with any considerable pain.

The difference between men and brutes, in this point, seems to be remarkable.

Men are at all times pretty equally disposed to the pleasures of love, because they are to be guided by reason in the time and manner of indulging them.

Had any great pain arisen from the want of this satisfaction, reason, I am afraid, would find great difficulties in the performance of its office.

But brutes that obey laws, in the execution of which their own reason has but little share, have their stated seasons; at such times it is not improbable that the sensation from the want is very troublesome, because the end must be then answered, or be missed in many, perhaps forever; as the inclination returns only with its season.
SECTION X.
OF BEAUTY.
The passion which belongs to generation, merely as such, is lust only.
This is evident in brutes, whose passions are more unmixed, and which pursue their purposes more directly than ours.