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.

The past is not for living in; it is a well of conclusions from which we draw in order to act.

我的目标不是比别人更好，而是比过去的自己更好。

最高的美德是引导他人理解真理。