The essence of quantum mechanics is that it provides a mathematical framework for the description of the behavior of matter on the atomic and subatomic level.
量子力学的本质在于它提供了一个数学框架，用于描述原子和亚原子层面上物质的行为。
在计算中，将显而易见的东西变成有用的是“挫折”一词的活泼定义。
The quality of an organization's principles determines the quality of its actions.
数学的进步是通过概括实现的。
The true measure of a farmer's success is not just yield per acre, but the legacy left for future generations.
1998年，贝索斯致股东信