自然选择塑造了我们的思想，也塑造了我们的身体。

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

To understand the land is to understand ourselves.

真正重视软件的人应该制造自己的硬件。

A company's true value is measured by its impact on society, not just its balance sheet.