The strength of a political system lies in its ability to adapt to changing circumstances and to incorporate new ideas and practices.

学问的道理没有别的，就是找回那丧失了的善心罢了。

2000年：贝索斯致股东信《即使在最残酷的时期，也将努力把公司打造更具“重量”》

To be a poet is to have a soul so quick to discern, that no shade of quality escapes it.

The great tragedy of Science—the slaying of a beautiful hypothesis by an ugly fact.