投资者应专注于他们能控制的事情，并忽略市场的噪音。

选择应该是一种不错的方法，即使粗制滥造，消费者还是很快地适应和认同。

The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.

The greatest glory in living lies not in never falling, but in rising every time we fall.