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。

The miracle of compounding returns is overwhelmed by the tyranny of compounding costs.

In mining, safety isn't just policy - it's personal.

Let what comes come. Let what goes go. Find out what remains.

Language shapes the way we think, and determines what we can think about.