A thing of beauty is a joy forever: its loveliness increases; it will never pass into nothingness.

I don't want to be a winner. I want to be a warrior.

There is no man, however wise, who has not at some period of his youth said things, or lived in a way the consciousness of which is so unpleasant to him in later life that he would gladly, if he could, expunge it from his memory.

The city is an addictive machine from which there is no escape.

Behavior is determined by the current stimulus situation and past reinforcement history.

暴风雨过后，天空更晴朗。