几何学是关于永恒存在的知识。

推动并保持资本主义引擎运转的根本动力来自新的消费品、新的生产或运输方法、新市场以及资本主义企业创造的新的工业组织形式。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

To make love with a stranger is the best. There is nothing more exciting.

Sustainability isn’t a trend; it’s the only way forward.

能源转型不仅仅是更换燃料；它关乎整个系统和思维方式的转变。

我不认为你可以准备得太多。