The industrial employments, on the other hand, chiefly exercise the latter range, and act to conserve them.
An exhaustive psychological analysis will show that each of these two ranges of aptitudes and propensities is but the multiform expression of a given temperamental bent.

By force of the unity or singleness of the individual, the aptitudes, animus, and interests comprised in the first-named range belong together as expressions of a given variant of human nature.

The like is true of the latter range.

The two may be conceived as alternative directions of human life, in such a way that a given individual inclines more or less consistently to the one or the other.

The tendency of the pecuniary life is, in a general way, to conserve the barbarian temperament, but with the substitution of fraud and prudence, or administrative ability, in place of that predilection for physical damage that characterizes the early barbarian.