人是一种做交易的动物，没有其他动物会这样做，没有狗会和另一只狗交换骨头。
Man is an animal that makes bargains: no other animal does this no dog exchanges bones with another.
Sustainability isn't a trend—it's the future of food production.
Sustainability isn't a trend—it's our responsibility to future generations.
When you fail, that's when you get up and try again. There's no reason to just stay down.
在编程中，我们所做的一切都是更通用的特例-而且我们常常知道得太快。