到了白头之年，我们同甘共苦；历史的是非功过，又由谁来评定呢？

数学的本质在于其自由性。

Agriculture is not just a business; it is a way of life.

建立在规则上的自由，才是真正的自由！

Technology alone won't save us; it must be paired with a fundamental shift in how we consume and think about energy.

我对解决已经解决的问题不感兴趣。