可信因果推断的关键不仅是方法，还有方法与当前问题的契合度。

我不是政治家，我是演员。我不必对每件事都有意见。

我认为数学家的作用是发现这些模式并解释它们。

We must listen to indigenous knowledge—they've been practicing sustainable forestry for centuries.

多线进化是对因对不同环境的不同适应而产生的文化多样形式的研究。

The world needs all forms of energy to meet growing demand, and natural gas is a cleaner alternative that can help bridge the gap.

Sustainability isn't an option—it's a responsibility we owe to future generations.

The resources we extract must be matched by the value we create for society.

"Grief does not change you, Hazel. It reveals you."