神经系统是一个动态的、不断变化的系统。
The nervous system is a dynamic, ever-changing system.
In the midst of difficult times， it is our response that defines us， not the circumstances.
The spirit of moderation should also be the spirit of the lawgiver.
预言是人类唯一一项无法经由练习而改善的技术。
语出西汉·桓宽《盐铁论·力耕》 。治理家庭不能靠一件财宝；治理国家，不能靠一种方法。