己所不欲 勿施於人
내가 원하지 않는 것을 남에게 베풀지 말라
Do not impose on others what you yourself do not desire
— Analects 15.24
The Eastern Golden Rule. When Zigong asked for one word to practice all his life, Confucius answered "恕 (forbearance)" — this is its meaning. Ethics begins not in active love but in restraint.