His defense seems to run something like this.

他的辩护似乎就是想这样进行的
Slavery is natural

奴隶制是自然的
because we cannot rule ourselves

因为我们不能自己管理自己
without the restraint of the passions.

在没有对自己的情感进行抑制的情况下
Self-rule means self-restraint.

自我管理等价于自我约束
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