Conscience and cowardice are really the same things.
I don’t like to gamble, but if there's one thing I'm willing to bet on, it's myself.
模型的好坏取决于其所基于的数据。
"The best performance improvement is the transition from the nonworking state to the working state."
The harder you work, the luckier you get.
生活里有两个悲剧:一个是没有得到我们想要的;另外一个是得到了。