活着是世界上最罕见的事情。大多数人只是存在，仅此而已。

The nightmare thought is that frightening people is the best way to get work out of them, and that somehow the crueler the environment, the more people will rise to the challenge. You want to think, who would you like as your ideal dad? And your ideal dad is somebody who is tough but gentle. And it's a very hard line to make. We need fathers, as it were, the exemplary father figures in society, avoiding the two extremes, which is the authoritarian disciplinarian on the one hand, and on the other, the lax, no-rules option.

岁月不居，流逝如滔滔江水，年纪衰老，一天不如一天了。我满腔忧愁，烦闷难以排遣，前途无望啊，心中总觉不安。

妈妈总是对我说，每天都会有奇迹。有些人并不同意，但这是真的。

学习算法的研究必须同时考虑学习的统计和计算方面。

To supply an explicit moral tag to an evolving and compulsive dramatic image seems to me facile, impertinent and dishonest.