自由是不可分割的,只要一人被奴役,所有的人都不自由。
——1963年6月25日在西德市政厅柏林墙前的演说
International politics is a brutal and dangerous business, and it is likely to remain that way.
让这成为一个准则:永远不要给孩子一本你自己不愿意读的书。
The most sustainable forest is one that remains standing while meeting human needs.
Just the discipline of having to put your thoughts in order with somebody else is very useful thing.