When the mind that is subtle goes out through the brain and the sense-organs, the gross names and forms appear; when it stays in the heart, the names and forms disappear.
当微妙的心智通过大脑和感官向外时，粗糙的名称和形式就出现了；当它停留在心中时，名称和形式就消失了。
生活就是受苦，生存就是在苦难中找到某种意义。
One of the greatest ways to avoid trouble is to keep it simple...the system often goes out of control.
做数学就是同时参与创造和发现的行为。