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.
信任是矿业中最宝贵的资源，比任何矿物都更难获得。
成为你希望在世界上看到的变化。