The world is a great sky, and we are the birds.
Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.
君主节制自己的欲望，百姓就会富裕；评判诉讼公平准确，百姓就能安定。
如果技术不能解决实际问题，它就毫无意义。
To write a good love letter， you ought to begin without knowing what you mean to say， and to finish without knowing what you have written.