帝国的进程向西进行。
Westward the course of empire takes its way.
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
In the end, we will remember not the words of our enemies, but the silence of our friends.
生命太短暂，不要把时间浪费在不尊重你的人身上。
Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.