民主是最坏的政府形式——除了其他所有不断地被试验过的政府形式之外。
Democracy is the worst form of government except for all those other forms that have been tried from time to time.
Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.
Behavior is determined by the current stimulus situation and past reinforcement history.
每面墙都有自己的声音，我的工作就是倾听。