"The scars of history are not always visible, but they are always there."

数学是神与人类交谈的语言。

面对世俗的烦恼要能忍耐，处身纷扰的世事之中要能安闲，心中牵挂的事要能抛开，在功名利禄面前要淡然处之，心怀忿怒之时要能抑制住情绪。

Time does not exist. For the river, there is only the present moment—no past, no future.

过去总是紧张的，未来是完美的。