所以从前的贤君按照农事来生财,巩固根本并节约用度,财务自然就丰足了。 
Sustainable agriculture requires a balance between technology and ecological preservation.
"The stage is a place where time bends."
The rat in the maze is not just learning a series of turns, but is building up a cognitive map of the whole situation.
Psychological truth is what stands the test of life.