You must do the things you think you cannot do.
你必须做你认为自己做不到的事。
成为你希望在世界上看到的改变。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."