The property which every man has in his own labor， as it is the original foundation of all other property， so it is the most sacred and inviolable.

You have to be able to adapt to changing market conditions. If you can't adapt, you won't survive.

理解一个问题就是答案的一半。

古今来世代显贵家族，无不因积德造就；天地之间第一等好人品，还是由读书培养。

The only thing you sometimes have control over is perspective. You don't have control over your situation. But you have a choice about how you view it.

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.