To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy， in our age， can do for those who study it.

Circumstances rule men; men do not rule circumstances.

The most valuable asset any company has is its people.

Quality is never an accident; it is always the result of intelligent effort.

I'm only rich because I know when I'm wrong... I basically have survived by recognizing my mistakes.

Don't cry because it's over, smile because it happened.

教育与收入之间的关系是复杂的，并且在不同背景下有所不同。