Sustainability is not just a goal, it's a responsibility we owe to the future.

Sometimes the thing you're most afraid of is the thing that will set you free.

每本书都是一句引文；每座房子都是从所有森林、矿山和采石场中引用的；每个人都是从他所有祖先中引用的。

Don't cry to quit, cry to keep going.

非经典逻辑的研究不仅是一种学术练习，更是理解复杂系统的必要条件。

出自汉·桓宽《盐铁论·险固》。这句话以“地利”与“人和”、“武力”与“文德”的对比，阐明了实行仁政对于治国安邦的重要性。