The real moat is users' dependence on you.

The most difficult challenges often present the greatest opportunities for transformation.

The Langlands program is a reflection of the interconnectedness of all mathematical disciplines.

Writing is making sense of life. You work your whole life and perhaps you've made sense of one small area.

讽刺是反思的快乐，也是智慧的喜悦。

Sometimes, the wicked will tell us things just to confuse us–to haunt our thoughts long after we've faced them.

感谢音乐让我认识了这么多朋友。