死者虽不可见，但他们并未缺席。

I write in blood because I remember what it felt like to bleed.

善恶之间的界限贯穿每个人的内心。

人生的大悲剧不是死亡，而是停止去爱。

"Science is not just a collection of facts; it's a way of thinking, a way of skeptically interrogating the universe with a fine understanding of human fallibility."

追求数学真理是一生的旅程。