数学证明的美在于它的简洁性和必然性。
能源转型不会一夜发生，但我们必须现在就开始。
The simplest sentences often hold the most profound truths.
A sober looks shows that just have the world gotten to be a better place after all; it is also grown a bit worse at the exact same rate.; a one step up, a one step back sort of cosmic balance between forward progress, and cultural retreat, that puts man kind on a bell curve of existence.