History taught us is that people never know learn the lessons of history.
历史给我们的教训是，人们从来都不知道汲取历史的教训。
反向传播最重要的地方在于它只是链式法则。
"The world is run by those who show up."
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
我只想让人快乐，这就是我做音乐的初衷。