最好的买入股票的时机是当它便宜的时候，最好的卖出时机是当它昂贵的时候。

There are only two kinds of people who are really fascinating—people who know absolutely everything and people who know absolutely nothing.

快乐不是因为拥有的多，而是计较的少。

The theory of computation provides a foundation for understanding what can and cannot be computed.

The truth is rarely pure and never simple.

The poet’s mission is to represent the unrepresented.