The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.

【释义】人穷的时候不能丧失道德的标准，而发达的时候也不能背弃自己做人的原则。

Success comes from persistence and the courage to innovate.

人性的内涵不缺善性，而人性的需求则不能多添一分欲念。