最明显的，孩子从游戏中能获得很多乐趣。

"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."

You have to keep thinking about what you can do to make the world a better place.

The best architecture is invisible.

The harder you work, the luckier you get.