The greatest inventions are those which most directly meet the wants of mankind.
被省略的东西和包含的东西一样重要。
"To be Irish is to know that in the end the world will break your heart."
数学中的合作是必不可少的;没有人能独自解决所有问题。
The subject matter is autobiographical, it's all to do with hope and memory and sensuality and involvement, really.