Prices are important not because money is considered paramount but because prices are a fast and effective conveyor of information through a vast society in which fragmented knowledge must be coordinated.

Investing in new technologies is not optional; it's a necessity for the future of energy.

The general will is always right， but the judgment which guides it is not always enlightened.

民主是唯一能够反映人类精神不屈不挠追求自由的制度。

每个故事都是一次旅程，不仅对角色如此，对读者也是如此。

I think it's important to have a positive attitude and to be optimistic.