"To cultivate oneself so as to give all people security and peace, even Yao and Shun found it difficult to do."
"Tzu-kung asked, Is there a single word which can be a guide to conduct throughout one's life? The Master said, It is perhaps the word shu [reciprocity]. What you don't want yourself, don't do to others."
"One should not behave towards others in a way which is disagreeable to oneself."