Innovation is not about doing something completely new, but about doing it better than anyone else.
创新不是要做完全新的东西，而是要比别人做得更好。
你无法改变过去，但你可以塑造未来。
Psychology must be a science of description, not explanation.
我们曾以超越爱本身的爱来相爱。
It requires indeed some courage to undertake a labor of such far-reaching extent.
If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."
To write is to resist forgetting.