Every act of creation is first of all an act of destruction.

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

数学是给不同事物赋予相同名称的艺术。

I'm not a person who likes to be at the bottom.

"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."

The hepatitis C virus was a hidden enemy, but every hidden enemy can be found with the right tools and determination.