光就是一切。它定义形式，创造空间，并赋予画作生命。

"The past is a foreign country; they do things differently there."

朗兰兹纲领是对数学如何被视为一个单一、连贯整体的愿景。

Memory is fragile and the space of a single life is brief, passing so quickly that we never get a chance to see the relationship between events.

朗费罗幽默的秘密源泉并不是欢乐而是悲伤。天堂里没有幽默。