Restraint or self-control is necessary for freedom or self-government.

约束和自我控制是自由或自我管理必须的
What is true, he seems to suggest,

他似乎想暗示这才是正确的
about the restraint over one's passions and desires

关于抑制人的情感和欲望
is true of restraint and control over others,

是否是正确的抑制和控制
just as he appears to be saying

他只是说
there is a kind of hierarchy within the soul,

人的灵魂是有等级的
restraint of the passion.

抑制情感的能力是不同的
So does that psychological hierarchy translate itself into

难道是心理上的等级转化成了
a kind of social hierarchy between different kinds of people?

不同社会等级的人吗
The natural hierarchy, then, seems to be

自然的等级在后来似乎更应该是
a sort of hierarchy of intelligence

智力上的等级
or at least a hierarchy of the rational.

或者至少是理性的等级