What are the treasures in the classic San Zi Jing that must be seen for enlightenment?

A large number of allusions and stories of Saint Amethyst explain to us a rich and profound philosophy of life. Some advocate respecting teachers, some praise diligence and thrift, honesty and integrity, some exhort caution, repent and correct mistakes, love the country and love the people, promote righteousness, and some inspire the determination to study hard, which is furious. These contents contain many aspects of our study and life, and embody great modern educational value.