你必须愿意失败才能成功。
"You have to be willing to fail to succeed."
The trade-off between bias and variance is a fundamental concept in machine learning.
一个革命者可以失去一切：家庭、自由，甚至生命。但有一件事他永远不能失去：荣誉。
The only way to do great work is to love what you do.
一个人要走过多少路，才能成为真正的人。