命运偏偏安排我卷入一些感情纠葛之中，不正为了使我这颗心惶惶终日吗？

The truth is rarely pure and never simple.

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

The best books are those that challenge you.

最有趣的艺术是不给你所有答案的艺术。