Parents and children should always cherish and maintain affection, husband and wife should always cherish and maintain love, brothers and sisters should cherish brotherhood and live in harmony, classmates, colleagues and friends should cherish the affection of close friends and live in harmony, teachers and students of all ages should respect the old and love the young, and love students, so that the society will be full of human feelings, orderly, sincere and trustworthy, long-lasting friendship and prosperous career.