In philosophy, ethics means the study of moral conduct for living a good life.

在哲学中，伦理学是指对过上美好生活的道德行为的研究。

Followers of Kant would say treating others with respect is the heart of moral conduct, while followers of Mill would say nothing is more important than happiness.

康德的追随者会说，尊重他人是道德行为的核心，而米尔的追随者会说没有什么比幸福更重要。

In the words of the German pessimist  philosopher Arthur Schopenhauer: Boundless compassion for all living beings is  the surest and most certain guarantee of pure moral conduct, and needs no casuistry.

用德国悲观主义哲学家亚瑟·叔本华的话来说: 对所有生物的无限同情心是纯粹道德行为最可靠和最确定的保证, 不需要任何诡辩。