建模的艺术在于忽略正确的东西。
A coward is incapable of exhibiting love; it is the prerogative of the brave.
"Love is irrational. The more you love someone, the less sense anything makes."
最伟大的发现来自于提出最简单的问题。
The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.