唯一真正的监狱是我们为自己建造的监狱。
The only real prison is the one we build for ourselves.
Data abstraction is the reduction of a particular body of data to a simplified representation of the whole.
真相并不总是一个。从每个角度看都有真相。
Legal rules are not merely commands backed by threats; they are also rules that confer powers and create obligations.