使用不定式“to understand”作目的状语，简洁明了地阐述了阅读的目的和价值，句式结构简单清晰。
If you do not grasp the gist in reading, your efforts will be in vain. — Zhang Zhidong
A person may go twelve days without food, but books cannot be dispensed with for even a single day. — Lu You
One should read to understand worldly affairs. — Ni Yuanlu
I am never satisfied at any time. The more I read, the more deeply I feel dissatisfied, the more I realize the poverty of my knowledge. Science is a boundless mystery. — Marx
The method of thorough reading lies in progressing step by step and thinking deeply after becoming familiar with the text. — Zhu Xi
I am never satisfied at any time. The more I read, the more deeply I feel dissatisfied, the more I realize the poverty of my knowledge. — Marx
The long ages have destroyed tombs and damaged tombstones, but time is powerless against books. — Walla
Without reading, one cannot understand principles; to know affairs, one must read history. — Li Guangting
The sympathy of love traverses the entire world. — Stefan Zweig
Learning does not necessarily depend on reading, but without reading, the meaning of principles cannot be clarified. — Zhu Xi
读书若不知要领，便会劳而无功。——张之洞
人可以十二日不食，但书籍不可一日无之。——陆游
应当通过读书来通晓世间之事。——倪元璐
任何时候，我也不会满足。越是多读书，就越深刻地感到不满足，越感到自己知识的贫乏。科学是奥妙无穷的。——马克思
熟读的方法，在于循序渐进，在于熟读之后精思。——朱熹
任何时候我也不会满足。越是读书，就越深刻地感到不满足，越感到自己的知识贫乏。——马克思
漫长的岁月既毁坏了坟墓，又损坏了墓碑，但光阴对于书却无能为力。——瓦鲁阿
不读书，便不明理；要知事，须读史。——李光庭
爱的同情踏遍整个世界。——茨威格
学习固然不在乎是否读书，但若不读书，义理便无从明了。——朱熹