The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
一本书就是你握在手中的一个梦想。
对任何农场来说,最好的肥料就是农民的足迹。
Consciousness serves the organism's need to interact effectively with its world.
Banks must properly handle the relationship between development and risk, neither sticking to old ways nor advancing recklessly.