解释:人不博览群书,不了解古今,不能识别世间事物,不知道是与非,就像盲人看不到颜色 、聋人听不到声音、鼻塞的人闻不到花香一样啊。
The roots of education are bitter, but the fruit is sweet.
The way positive reinforcement is carried out is more important than the amount.
Quality should never be compromised, not even for the sake of speed.