语出西汉·桓宽《盐铁论·世务》。虽然有一片诚挚忠信的愿望，如不知道因事随机应变，那便是一条危险的，甚至会灭亡的路。

写作是直面自我。

We must always question our assumptions and be willing to revise our understanding in light of new evidence.

我不是商人，我就是生意本身。

The worst prison is not the one with walls and bars, but the one in our minds.

最好的想法来自挫折。最糟糕的是当一切都完美的时候。

The only way to learn mathematics is to do mathematics.