History is not the past. It is the method we have evolved of organizing our ignorance of the past.
I don't know if I have a philosophy. I just try to write the best book I can.
The boldness of his mind was matched by the candor of his speech.
I do not much like to take the tone of a moralist.
负责任的采矿不是一种选择,而是我们对地球和后代应尽的义务。