过去总是与我们同在，但它不必定义我们。

To conquer fear is the beginning of wisdom.

Intelligent transformation must be practical and not blindly follow trends.

The study of L-functions is a window into the hidden structure of numbers.

"El pasado es un país extranjero; allí hacen las cosas de otra manera."

To be wealthy， accumulate all those things that money can’t buy.