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。

预测未来的最好方法就是创造未来。

The biggest risk is not taking any risk. In a world that’s changing quickly, the only strategy that is guaranteed to fail is not taking risks.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.