光的理论实际上是物理学两大理论的交汇点，即粒子理论和波动理论。

We must consider the environmental impact of every technological advancement.

Man is not the creature of circumstances； circumstances are the creatures of men.

Dreams are the seeds of reality.

Customer satisfaction is the ultimate measure of a company’s success.

建筑的挑战在于平衡创新与传统。

The pace of change will never be slower than it is today.

The truth is rarely pure and never simple.

The great walks with the small without fear. The middling keeps aloof.

最好的程序是这样写的：计算机可以快速执行它们，人类可以清楚地理解它们。理想情况下，程序员是一位散文家，他使用传统的美学和文学形式以及数学概念来传达算法的工作原理，并说服读者结果是正确的。