Life in the state of nature is solitary， poor， nasty， brutish， and short.
世界不是模型，模型只是模型。
Hope is not a feeling; it is a doable thing.
It requires indeed some courage to undertake a labor of such far-reaching extent.
The truth is that we are all capable of great evil, given the right circumstances.
The energy transition is not just about switching from fossil fuels to renewables. It's about providing reliable, affordable, and clean energy to a growing global population.