在学习结束时,我们知道物理学的所有过去,但对现在和未来一无所知。
At the close of our studies, we knew all the past of physics, but nothing of the present and the future.
Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.
"The power of literature lies in its ability to make the invisible visible and the silent heard."
There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.