出自北齐·颜之推《颜氏家训·省事》。很多的事情一起做，可能做好的却很少，还不如专心致志的做一件事情。

The ultimate goal of artificial intelligence is to create machines that can perform tasks that would require intelligence if done by humans.

Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.

我努力以正直和真实的方式生活。

文学是人类的记忆，没有记忆，人类将迷失。