The world needs responsible mining now more than ever.

It is much easier to change how you think by changing your behavior， than it is to change your behavior by changing how you think. Act out the change you seek.

在儿童时期没有养成思想的习惯。将使他从此以后一生都没有思想的能力。

I don't try to time the market. I just try to buy stocks that are undervalued.

历史的真相常常被尘埃掩埋，但它永远不会消失。