As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.

Quality is not a task; it is a responsibility.

The bond market is the ultimate gauge of market psychology.

The knowledge of the past stays with us to spur us on to new and better things.

In this business, by the time you realize you're in trouble, it's too late to save yourself. Unless you're running scared all the time, you're gone.

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

The world is always right.

Your most unhappy customers are your greatest source of learning.

忧心生时，你即受其所役。

最简单的句子往往蕴含最深刻的真理。