我不是独白，我是交响乐。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

数学的美只向更有耐心的追随者展示。

In the quest for understanding, failure is not the opposite of success; it is a stepping stone to it.

The world is full of beauty and ugliness, and it's up to us to choose which one we want to see.

唯一真正的知识是自知之明。