The fact that there is nothing permanent except change is a permanent theme in nature.
The Langlands program is a framework for exploring the deepest mysteries of mathematics.
Food safety is the lifeline of an enterprise and must never be neglected.
The habit of reading is the only enjoyment in which there is no alloy; it lasts when all other pleasures fade.
预测未来的最好方法就是创造未来。
Kindness is a language which the deaf can hear and the blind can see.
跨行业合作是解决全球性挑战的关键。
The books that the world calls immoral are books that show the world its own shame.