We are all haunted by the ghosts of our past.

The way we communicate with others and with ourselves ultimately determines the quality of our lives.

随机实验是因果推理的黄金标准，但它们并不总是可行的。

快乐唔系拥有得多，而系计较得少。

埃尔德什差异问题让我着迷，因为它陈述起来如此简单，但含义却如此深刻。

简单是终极的复杂。