每一次旅程都隐藏着另一段旅程：未选择的路和被遗忘的角度。

Prayer is not overcoming God's reluctance, but laying hold of His willingness.

I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.

我们努力创造既实用又富有诗意的空间。

数学中最重要的技能是清晰思考的能力。

Persistence is key in mathematical research; many great results come from long struggles.