明代学者陈献章说:“古之学者贵知疑,小疑则小进,大疑则大进。疑者,觉悟之机,一番觉悟,一番长进。”这里所说的“知疑”,就是发现问题。如果读一篇文章,提不出任何问题,久而久之,便会养成惰性思维。反之,读书时能“知疑”,从知“小疑”到“大疑”,思维就会活跃,随着疑问的解除, Chen Xianzhang, a scholar of the Ming Dynasty, said: “The ancient scholar is more suspicious, his minor doubts are more adventurous, the more hesitant is the larger one. The suspect, the machine of enlightenment, some enlightenment and some progress.” The “suspicion” Is to find the problem. If you read an essay, you will not be able to raise any questions. As time passes, you will develop an inert mind. On the contrary, when reading a book, it can become “suspicious”, from “suspicion” to “suspicion”, and thinking will be active. With the lifting of doubt,