They can see their neighbors. Roosters and dogs can be heard from there. Still, they will age and die without visiting one another.
LaoziSome help others in order to receive blessings and admiration. This is simply meaningless. Some cultivate themselves in part to serve others, in part to serve their own pride. They will understand, at best, half of the truth. But those who improve themselves for the sake of the world - to these, the whole truth of the universe will be revealed.
Laozi