Sustainability is not a choice anymore; it's a necessity for any business that wants to thrive in the long term.

译文：因病得到闲暇确实不错，安心就是医治一切疾病的良方。赏析：不管做任何事，我们的内心都要淡定从容，不为外物所动才行。急功近利，操之过急，事情往往会失败。

One of the best rules anybody can learn about investing is to do nothing, absolutely nothing, unless there is something to do... I just wait until there is money lying in the corner, and all I have to do is go over there and pick it up.