从老师那里学到一切是学生的责任，充分激发学生的全部潜力是老师的责任。
It is the duty of a student to get everything out of a teacher， and the duty of a teacher to get everything out of a student.
The concept of law is a complex one, and it is not easy to define.
晏子春秋
不要靠馈赠去获得朋友，你必须奉献你诚挚的爱，学会怎样用正当的方法来赢得别人的心。
我是无声者的声音。