数学的精髓在于它的自由。
The essence of mathematics lies in its freedom.
The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.
可持续性必须成为我们在这个行业中每个决策的基础。
释义:讽刺人性对大规模苦难的麻木与抽象化。