机器学习算法的最终测试是它在新的、未见过的数据上表现良好的能力。

如果一切都很完美，你就永远不会学习和成长。

If you go back a few hundred years, what we take for granted today would seem like magic—being able to talk to people over long distances, to transmit images, flying, accessing vast amounts of data like an oracle. These are all things that would have been considered magic a few hundred years ago.

如果你相信自己的声音，就继续前进。