质量不是一种行为,而是一种习惯。
麦克斯韦方程式不足以设计电动机不是计算机的错。
每一次挫折都是为了卷土重来。
The study of nature is a perpetual joy.
In business, as in life, you have to take risks to achieve great things.
Science fiction is the literature of change.