如果你能梦想，你就能实现它。

In mathematics, the journey from confusion to clarity is the most rewarding experience.

I think that beauty comes from within. It's not something you can put on your face. It's something that you have to feel inside.

Leadership means making tough decisions today that will benefit everyone tomorrow.

What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.

Man is good by nature， society corrupts him.