To be free is to have no choice.
"The books that help you most are those which make you think the most."
The first step is to establish that something is possible; then probability will occur.
任何变化,即使是变得更好,总是伴随着缺点和不适。
高效算法的开发对于技术和科学的进步至关重要。
【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。