No testimony is sufficient to establish a miracle unless the testimony be of such a kind that its falsehood would be more miraculous than the fact which it endeavors to establish.

The man who is fit to work at any particular trade is unable to understand the science of that trade without the kindly help and cooperation of men of a totally different type of education.

The past is a foreign country; they do things differently there.

我不认为你能真正改变你是谁，但你可以改变你生活的方式。

The division of labor is limited by the extent of the market.