数学的美在于它允许我们从物理世界中抽象出来，专注于基本原理。
The beauty of mathematics is that it allows us to abstract away from the physical world and focus on the underlying principles.
我们必须以与面对面治疗相同的严谨和同情心设计数字工具。
If ease of use was the only requirement, everyone would still be riding tricycles.
零缺陷是一个绩效标准。它是工匠的标准，无论他或她的行业是什么。