Time is a concept that is derived from the way we perceive change.

音乐是灵魂的声音。

译文：柔肠早已寸断，泪水止不住地流。为了相思，我再次登上小红楼。明知心上人已被群山阻隔，却还是不由自主地频频倚靠栏杆，望向他离去的方向。

The ruling class has the means of material production at its disposal; the proletariat has nothing but their labor power.