Understanding a child is a great hope for them. When you pat him or touch his head, they will understand the goodwill and open the door to love for them.
理解孩子对他们来说是莫大的希望，当你拍拍他或摸摸他的头，他们就会领会其中的善意，同时也为他们打开了爱的大门。
Good policy requires both sound theory and empirical validation.
So we beat on, boats against the current, borne back ceaselessly into the past.
建筑师必须为未来设计，同时尊重过去。
The real problem is not whether machines think but whether men do.