No evil propensity of the human heart is so powerful that it may not be subdued by discipline.

No evil propensity of the human heart is so powerful that it may not be subdued by discipline.

人类内心的邪恶倾向再强大，也不可能不受纪律的约束。

-- Marcus Annaeus Seneca 马库斯·安纳尤斯·塞内卡