电流概念的形成是电学理论发展中最重要的步骤。
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
最好的故事是那些挑战你以不同方式思考的故事。
We have a responsibility to use our science to improve lives, not just to make profits.
The mystery of love is greater than the mystery of death.