深度学习是解决复杂问题的强大工具。
The most successful people are those who are good at plan B.
The money and effort that men expend on their bodies, they might with greater profit devote to their minds.
【译文】以前的事不要再评说了，做完的事不要再议论了，过去了就不要再追咎。
The pace of change demands that we unlearn as much as we learn.