Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

The fish in the water is silent, the animal on the earth is noisy, the bird in the air is singing. But Man has in him the silence of the sea, the noise of the earth and the music of the air.

阅读是不动而旅行；写作是旅行而不动。

Being powerful is like being a lady. If you have to tell people you are, you aren't.

The quality of an organization's values determines the quality of its culture.

Think wrongly, if you please, but in all cases, think for yourself.

Operational effectiveness and strategy are both essential to superior performance, which, after all, is the primary goal of any enterprise.