只有不断学习，才能在激烈的竞争中立于不败之地。

在一个充满仇恨的世界里，我们仍然要敢于希望。在一个充满愤怒的世界里，我们仍然要敢于安慰。在一个充满绝望的世界里，我们仍然要敢于梦想。在一个充满怀疑的世界里，我们仍然要敢于相信。

表达人生聚散离合本是常态，不必在分别时过于伤感

As Will Rogers would have said, "There is no such thing as a free variable."

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

人工智能的未来取决于我们创造能够适应新信息而无需显式编程的系统的能力。