Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.
常反省自身,少议论他人,是最高级的修养。  
解析:圣贤论学注重结合实际。
The laws of behavior can be derived from basic physiological principles.
I'm just a musician, and I want to make music that makes people feel good.