1. When three people walk together, they must have a teacher. Choose the good ones and follow them, and choose the bad ones and change them. —— Confucius

2. A person should respect himself and regard himself as worthy of the most noble things. —— Hegel

3. Show respect for other people’s opinions and never say: You are wrong. —— Carnegie

4. Learning lies in respecting teachers.

——"Lu's Spring and Autumn Encourage to Learn"