Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.

历史不会原谅遗忘。

心智是大脑的功能。

煤炭推动了我们的过去，但我们必须诚实地面对它在未来中的作用。

所以英明的君主治理国家，明确奖赏民众就会努力立功，严厉刑罚民众就会遵守法律。

The historian’s first duty is to the truth.