The universe is comprehensible because it is governed by laws that we can understand.

最伟大的发现不是通过积累事实，而是通过感知它们之间的联系。

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."

In times of disruption, the biggest risk is not taking any risk at all.

歌唱就是双倍的祈祷。