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。

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.