The most important political development of the last half century has been the spread of liberal democracy around the world.

Don't worry about what anybody else is going to do. The best way to predict the future is to invent it.

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.

历史的地理枢纽是世界上那些海权无法触及但却是陆权天然堡垒的区域。

To live is to betray, to betray is to live.