每一个数学问题都是一个等待解决的谜题,每一个解答都是向理解现实结构迈进的一步。
The greatest problem for mathematicians now is probably the Riemann Hypothesis.
"In the end, all stories are about love and loss, hope and despair, life and death."
The hepatitis C virus was a hidden enemy, but every hidden enemy can be found with the right tools and determination.