机器学习的最终目标是让计算机从经验中学习，并随着时间的推移提高其在任务上的表现。
The ultimate goal of machine learning is to make computers learn from experience and improve their performance on tasks over time.
Every object has a voice if you know how to listen.
I'm not afraid to fail. I'm not afraid to fall. I'm not afraid to be embarrassed. I'm not afraid to be vulnerable.
When you confront a stuck bolt or screw: righty tighty， lefty loosey.