我们唯一需要害怕的是恐惧本身的缺失。

I'm interested in the weak materials, the materials that people don't think can be used for permanent structures.

In mathematics, the journey of discovery is often more rewarding than the destination itself.

Every time we teach a child something, we keep him from inventing it himself.

重要的不是你对了还是错了，而是当你对了的时候你赚了多少钱，当你错了的时候你亏了多少钱。

O passado é uma ilusão, o futuro é um mistério, o presente é uma dádiva.

出自晋·葛洪《抱朴子·博喻》。用美玉做成的船和桨，不能用于水上航行;用黄金做弓，玉石做弦，仍没有射箭的功能。（笔杆子 rendoc.com）

"Memory is a tricky thing - it can be both a prison and a liberation."

In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. In a world filled with distrust, we must still dare to believe.