The purpose and function of etiquette is to make people's original stubbornness become pliable, to make people's temperament gentle, to make them respect others and get along with others.

Shyness is an emotion of fear or fear of humiliation that can prevent a person from committing some despicable behavior.

Be careful not to say or do bad things even when you are alone, but learn to be more shameful in front of yourself than in front of others.

Our powerful morality is to achieve material success through struggle; this morality applies to both the country and the individual.

It is easy for one person to win over another person, that is to learn to suffer losses. Children, no one in this world likes people who take advantage, but everyone likes people who like to take advantage of others. When you think about suffering losses, you will win others; the person who knows how to repay you with greater losses is the friend you win.