The purpose of control is to make the system behave in a desired way despite uncertainties and disturbances.
控制的目的是使系统在存在不确定性和干扰的情况下仍能按期望的方式运行。
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
Mathematics is a living subject, constantly evolving and growing.
如果你想让人做某事，就让它变得简单。
Un buen escritor es aquel que logra conectar con el alma del lector.
每个人体内都携带着古老世界的碎片。
"To write is to give voice to the silent corners of the soul."
Color is my day-long obsession, joy, and torment.