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.

创新并不是对每件事都说“是”，而是对除了最关键功能之外的一切说“不”。