The only thing that can make you rich is your own heart.

"We are all fools in love."

"Truth in fiction often runs deeper than in reality."

We are the products of countless chance events.

It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.  

The past is not a foreign country; it is our own.

中心地的等级越高，其服务的区域越大，此类中心地的数量越少。