现在数学家面临的最大问题可能是黎曼假设。
The greatest problem for mathematicians now is probably the Riemann Hypothesis.
不要等待完美的时机，现在就是最好的时机。
The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.
Hope can be a powerful force. Maybe there's no actual magic in it, but when you know what you hope for most and hold it like a light within you, you can make things happen, almost like magic.
经济的关键是适度的竞争，而不是垄断。
Behind every bushel of grain is a story of dedication that spans generations.