Teach students in accordance with their aptitude, Meng Mu's three tricks, painter, satirize one to persuade a hundred, learn from each other's strong points, make the best use of the situation, teach people tirelessly, teach regardless, teach by example, pay attention to life, change from spring breeze to rain, seal off the house to stop violence, prohibit breaking the law, step by step, mentor and help friends, imperceptibly, teach by example, teach by example.