The first duty of justice is to harm no one.
Iustitiae primum munus est, ut ne cui quis noceat.

Philosophers
Panaetius
Greek Stoic (c. 185-109 BC), last head of the Athenian Stoa. He reformed strict early Stoicism into a liveable ethics. His On Duties survives via Cicero and shaped Western moral and political thought for two millennia.
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Source: キケロ『義務について』第1巻20節 (パナイティオスの正義論)Verified