The greatest problem for mathematicians now is probably the Riemann Hypothesis.

Quality is not a claim; it is a proof.

双重思想意味着在头脑中同时持有两种相互矛盾的信念，并接受它们两者。

The sea does not reward those who are too anxious, too greedy, or too impatient.

数学的本质在于它揭示模式和对称性的力量。