You have never lived until you've almost died.For those who have fought for it, life has a flavor the protected shall never know.

理论物理学之于数学，犹如雕塑之于大理石块。

"The true alchemists do not change lead into gold; they change the world into words."

The only limit to our realization of tomorrow will be our doubts of today.

Don't let the noise of others' opinions drown out your own inner voice.

我们就像迷失了方向的旅行者；每个人都必须向路人寻求指引。