To state the obvious, Socrates introduces this analogy to help the brothers better understand what justice is for an individual soul.

说明白些就是，苏格拉底导入这项比拟,以协助兄弟档更了解,正义对个人灵魂的重要性。

耶鲁公开课 - 政治哲学导论课程节选

The brothers desire to hear justice praised for itself alone, and that seems to be expressive of their own freedom from mercenary motives and incentives.

这对兄弟档,想听到正义自我礼赞，这似乎也显露出,他们不受金钱目的,及奖励约束的自由。

耶鲁公开课 - 政治哲学导论课程节选