The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.

记忆是我们唯一不能被驱逐的天堂。

事实的分类以及基于这种分类形成绝对判断——独立于个体思维特性的判断——本质上总结了现代科学的目标和方法。

Leaders must have the courage to make tough decisions today for a better tomorrow.

"There is no substitute for books in the life of a child."

如果我们将利润与目标结合起来，企业可以成为向善的力量。

系统的稳定性取决于开环传递函数在复平面上的行为。