法律是一种反映社会价值和规范的社会现象。

以往的事过去了便不再重提，现在的事做一件有一件的功劳，未来的事情省一件便省去许多麻烦。

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.

The best thing about golf is that no matter how good you get, you can always get better.

Hard work and perseverance are the keys to overcoming any challenge.

PAC学习框架提供了一种正式的方法来分析学习算法的效率和有效性。

Le désespoir redouble les forces.