Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
释义:美丽的彩云容易消散,明亮的圆月难得圆满。
科学家不是给出正确答案的人,而是提出正确问题的人。
A felicidade é feita de pequenos momentos.
The dead have much to teach the living.