在商业中，就像在采石中一样，精确和耐心会带来最好的结果。

Every organism is in a struggle for existence.

We live in a world of shadows, and what we call reality is only the shadow of a shadow.

In the short run, the market is a voting machine but in the long run, it is a weighing machine.

I am persuaded that the principle of uniformity in manufacturing is the foundation of success.