我认为你不能比较网球的不同时代。每个时代都有其伟大的球员。
市场竞争能够促进资源的有效配置。
Innovation is not just about creating new things, but also about improving what already exists.
预测未来的最好方法就是创造未来。
Because I'm your mom, it counts the most because I know you the most.
In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.