Innovation in science often comes from looking at old problems in new ways.
The arithmetic of algebraic varieties is a testament to the power of abstract thought.
一个词的意义不是心智实体，而是社会实践。
The most successful operations are those where the animals thrive, the land flourishes, and the people prosper.
The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible.