Don't forget the initial intention of education and explore the road of education. Sticking to the original heart means sticking to the original idea and keeping the original good wishes in your heart. Tracing back to the source means tracing back to the source, which generally means not forgetting the initial intention of education and exploring the road of education. Adhering to the initial intention of education, the word "teaching according to the source" comes from the modern network and is mainly used for the purpose of schools.