Confucius said in the original text: gentlemen are harmonious but different, while villains are the same but not harmonious.

Ceng Zi said: "A gentleman makes friends with words and helps others with kindness."

Confucius said: a true gentleman is harmonious but different, and a snob is harmonious but different.

Ceng Zi said: "A true gentleman takes virtue as his friend and helps others with friendship."

Master dispels doubts.

Harmony: get along well.

Difference: keep your mind independent and your personality independent.

Make friends by writing: Master Nan thinks that "writing" contains cultural thoughts. In fact, making friends with China people means making friends with morality.