Positive psychology is as concerned with strength as with weakness, as interested in building the best things in life as in repairing the worst.

我们更关注建筑改善人们生活的能力，而不是建筑美观的能力。

The market is a pendulum that forever swings between unsustainable optimism (which makes stocks too expensive) and unjustified pessimism (which makes them too cheap). The intelligent investor is a realist who sells to optimists and buys from pessimists.

我们今天做的每一个决定都塑造着我们留下的世界。

地球并非刚体，其对力的响应必须被视为弹性体。

计算复杂性理论的发展向我们展示了并非所有问题都是平等的。