The state is not a work of art; it is a necessity.

正确的激励可以将冲突转化为合作。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

Never underestimate the power of a small, dedicated team to change the world.

数学是为不同事物赋予相同名称的艺术。