Physics is not just a science, it is a way of thinking about the world.

过去是一个异国他乡；他们在那里做事的方式不同。

If you're competitor-focused， you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.

未来是愚蠢的。

数学是概念之间关系的科学，与内容无关。