The spread of liberal democracy and the integration of the world economy have created a situation in which the only legitimate form of government is one that is based on popular sovereignty and respects basic human rights.

我不是一个活在过去的人。我总是向前看。

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

利润很重要，但目标才是企业长期发展的支撑。

数学的进步是通过它能解决的问题数量来衡量的。

唯一真正的智慧是知道你一无所知。