the conclusion of the video quality and Role. 

Teachers are required to protect, teach, their students to develop their minds, think more critically. And here students and teachers are required to work together to teach one another and implement good things. willing to improve, dare to face a difficult day, have humility, collaborate with each other. The teacher can be a role model, and can be the most influential person in changing lives, as a provider of resources, learning facilities, assisting.