当你不再感到伤心的时候(时间会冲淡一切伤痛)，你就会因认识我而感到心满意足。你是我永远的朋友。将会和我一起欢笑。为了欢乐，你会经常打开窗子……

To be a philosopher is not merely to have subtle thoughts, nor even to found a school, but so to love wisdom as to live according to its dictates.

数学家的直觉和严谨的证明同样重要。

"A book is a conversation between the author and the reader."

不确定性是唯一确定的事情，知道如何与不安全感共存是唯一的安全感。

宇宙是一个广阔而神秘的地方，我们才刚刚开始理解它的秘密。