2. Practice has proved that the more coordinated the actions of all teachers, the more consistent the requirements of students in educational affairs and work, and the more successful the teaching and education results. -Petrov
3. In the process of teaching and education, the whole personality of children is involved, so teachers themselves have a whole personality connection with children. Therefore, the influence of teachers on students' education depends not only on their own expertise, teaching and educational methods, but also on their own personality and behavior, which can not be forced by subjective will. -Petrov