最好的书会提出问题，而不仅仅是给出答案。
We live in a world where people are judged by their worst actions, not their best.
Technology in forestry should serve nature, not conquer it.
What makes the desert beautiful is that somewhere it hides a well.
如果剑很短而笔很锋利，那么笔就比剑更有力量。
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.