解释:影子的弯曲与正直是随身体而变化的,根源不在影子自身;自己的屈曲与伸直是随外物而变化的,而不在于个人的主观意志。这就是保持谦退才能使自己处世为先的道理。
科学是一段旅程,而不是终点。
The most successful people are those who are good at plan B.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.