Good and bad are for a time the same as noble and low, master and slave. But the enemy is not considered evil, he can repay. Trojan and Greek are both good in Homer.
This passage articulates the foundational genealogical claim that Master Morality’s ‘good/bad’ axis derives from social rank and reciprocal power, predating and structurally distinct from the slave-moral ‘good/evil’ inversion.
, On the Genealogy of Morals, 1887thesis