我不断看到有些人在生活中越过越好，他们不是最聪明的，甚至不是最勤奋的，但他们是学习机器。他们每天夜里睡觉时都比那天早晨聪明一点点。

The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

不要为了别人而活，要为自己而活。

The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.