Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
不管怎样,还是要帮助。
在科学的道路上,没有平坦的大道可走,只有不畏劳苦沿着陡峭山路攀登的人,才有希望达到光辉的顶点。
Investors should be wary of anyone who promises guaranteed returns.
The most important thing in mathematics is to ask the right questions.
依靠聪明、平衡的人类几个世纪以来所依赖的普通美德。常识、节俭、现实的期望、耐心和毅力。