此理在宇宙间，固不以人之明不明、行不行而加损。
这个理存在于宇宙间，本来就不因为人的明白不明白、实行不实行而有所增减。
"A library is a place where the past meets the present and the future."
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
不要害怕放弃好的，去追求伟大的。
历史是一套达成共识的谎言。
Legal rules are not commands but rather standards of conduct.
Make women rational creatures, and free citizens, and they will quickly become good wives, and mothers; that is, if men do not neglect the duties of husbands and fathers.
在浩瀚的宇宙中，我们只是一粒尘埃，但我们的好奇心却是无限的。