雙重思想意味著在頭腦中同時持有兩種相互矛盾的信念，并接受它們兩者。
"A book is a mirror: if a fool looks in, no sage can look out."
Being different means you have something special to offer the world.
程序最重要的屬性是它是否實現(xiàn)了用戶的意圖。