"We are all just walking each other home."

The world is full of obvious things which nobody by any chance ever observes.

解释：要量力而行，实力达得到就进攻，达不到就撤退。

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.