Is there an idiom about education?

There are many idioms about education. Here are some examples: [1. Five Carts of Knowledge: A person who is knowledgeable and has many books.] 2. Teaching by example: It means that the teacher's words and deeds in the classroom have a very important impact on the students. 3. Lead by example: Teachers need to set an example for students to follow. 4. Teaching and educating: It refers to the teacher's responsibility to educate students to become moral and cultured people. 5. Teaching and dispelling doubts: It refers to the teacher's mission to impart knowledge and answer students 'questions so that students can master knowledge. 6. Being a teacher: It means that a teacher is a role model for students and can set an example for students in words and deeds. 7. Stuff hard: It was used to describe a student who worked hard and constantly studied for the sake of learning. 8. Studious and eager to learn: It refers to students who are diligent and eager to learn and are full of enthusiasm for learning. 9 Perseverance: It was used to describe students who had perseverance and did not give up easily. All-round development: It refers to the comprehensive development of students, not only focusing on academic performance, but also on moral, cultural, physical fitness and other aspects of development.