会有障碍，会有质疑者，会有错误。但只要努力，就没有极限。
There will be obstacles. There will be doubters. There will be mistakes. But with hard work, there are no limits.
When a professor insists computer science is X but not Y, have compassion for his graduate students.
The best way to get something done is to begin.
人工智能的关键在于理解如何构建能够从数据中学习的系统。