没有听到的不如听到的，听到的不如见到的，见到的不如了解到的，了解到的不如去实行，学问到了实行就达到了极点。

The severe morals of the early Romans produced a race of men who were neither superstitiously devout nor philosophically skeptical.

Every tyrant who has lived has believed in freedom--for himself.

自己不愿意的，不要强加给别人。