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.

在能源问题上，我们必须超越自己的生命周期去思考。

You have to go through the storm to appreciate the sunshine.

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.