It is not what we believe, but why we believe it; moral responsibility begins there.  
Well may the boldest fear and the wisest tremble when they contemplate the situation of our country.
"A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. So the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion."
不要问国家可以为你做什么,你应该要问自己可以为国家做什么。
Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.