教育家夸美纽斯说:“没有教,就没有学”“教得糟,就学得糟”“教得细心,就学得细心”“知识的多样性仰赖于所教对象的多样性”“知识的条理性仰赖于教学的条理性”“知识上的进步仰赖于教师和学生的用功”。实践也证明,教师善于教,学生善于学;教师拙于教,学生拙于学。我们的生命是有限的,而知识的海洋是浩瀚无限的,而教师教的价值就在于用有限时间使学生学会更多的知识,而这些知识不是在有限时间内通过直接感知知识的形成过程所能获得的。作为教了多年书的 Comenius, an educator, said: “Without teaching, there is no school to learn.” “Too bad to teach, to learn worse,” “To be careful, to learn carefully.” “The diversity of knowledge depends upon what is taught The diversity of objects ”“ The rationalization of knowledge depends on the teaching of reason ”“ The progress of knowledge depends on the hard work of teachers and students ”. Practice also proves that teachers are good at teaching, students are good at learning, teachers are not good at teaching, and students are not good at learning. Our life is limited, and the ocean of knowledge is vast and infinite, and the value of teacher teaching is to allow students to learn more knowledge for a limited time, not through the process of direct perception of knowledge in a limited time Can be obtained. As taught for many years