过去从未真正过去，它徘徊在我们生活的角落。
The past is never really past; it lingers in the corners of our lives.
It is during our darkest moments that we must focus to see the light.
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."
我不考虑成为最好的。我考虑每天进步。
我们看到的不是事物的本质，而是自己的本质。
The integration of digital technology will revolutionize traditional coal mining.
如果我不是生为拿破仑，那我就想生为亚历山大。