The real value of a bank lies in its ability to serve the real economy.

All human errors are impatience, a premature breaking off of methodical procedure, an apparent fencing-in of what is apparently at issue.

The interplay between pure and applied mathematics is where true innovation happens.

在研究自然时，想象力必须受到逻辑和实验的严格规则指导。

在数学中，提出问题的艺术必须比解决问题更有价值。