被爱的欲望也许是我们所有虚荣心中最根深蒂固的。

The true value of a forest cannot be measured in board feet alone; its worth is in the life it sustains.

In chemistry, as in life, the most transformative reactions often require patience and precise conditions.

A miner's safety is the first line in any production report.

解释：不注意天时，财富就不能增长；不注意地利，粮食就不会充足。

建筑必须是生命的容器。