Book 15: 《衛靈公》 Wei Ling Gong (Duke Ling of Wey)
《衛靈公》 Passage 15.9
子曰:「志士仁人,無求生以害仁,有殺身以成仁。」
Legge Translation (1861)
The Master said: "The determined scholar and the man of virtue will not seek to live at the expense of injuring their virtue. They will even sacrifice their lives to preserve their virtue complete."