可持续性不是成本中心，而是我们一生中最大的商业机会。

失败只是另一种学习方式。

The main purpose of the stock market is to make fools of as many men as possible.

I'm not a woman, I'm not a man, I'm something that you'll never understand.

Nothing is certain， and nothing is impossible.

Wages depend on the price of necessaries required for the support of the laborer.

要理解心理学，就要在自然环境中观察行为。