The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths.

Every experiment is a step towards understanding the complex mechanisms of life.

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

不平等并非不可避免，它是政策选择的结果。

出自先秦《荀子·大略》。说得到，也能做得到，这种人就是国家之宝。说明言行一致、身体力行的人才是治国安邦的有益人才。