你无法满足所有人的要求。

To love is to suffer, but to suffer is also to love.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

地球在所有方向上都是相同的，人类在任何地方都直立其上。

能源的未来在于多样化——没有任何单一来源可以满足我们所有需求。