Now, I am not going to stand here and tell you that failure is fun. That period of my life was a dark one, and I had no idea that there was going to be what the press has since represented as a kind of fairy tale resolution. I had no idea then how far the tunnel extended, and for a long time, any light at the end of it was a hope rather than a reality.

I don’t compete with others. I compete with myself.

The ultimate goal of machine learning is to make computers learn from experience and improve their performance over time.

生命太珍贵，不能浪费在后悔上。