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劍鞘保護劍的鋒利，自己卻滿足於它自己的遲鈍。

Hard work beats talent when talent doesn't work hard.

The market is a great teacher, but it charges a high tuition.

The only way to have a good day is to start it with a positive attitude.

If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.

"If you surrendered to the air, you could ride it."

富貴榮華如同眼前短暫綻放的花朵，何必為此自尋煩惱。

Persistence in research often pays off when you least expect it.