The metaphor is the poet’s way of seeing the world differently.
读书不体验认识,就好像闪电照物,一点都抓不到;读书不能身体力行,就像水上行车、陆上行舟、一点用处都没有。
The biggest challenge isn't the science - it's changing people's perceptions.
The books that we reread the most are the ones that most clearly describe the world we already know.