Innovation distinguishes between a leader and a follower.

在机器学习中，偏差和方差之间的权衡对于实现良好的泛化至关重要。

"I try to write books that are honest and true to life."

创新是我们工作的核心，但必须与责任相平衡。

At twenty-one, I was a divorced single mother. At thirty, I was struggling to feed my children. At forty, I was starting over in a new country. At fifty, I was rebuilding my career. At sixty, I walked the runway at Fashion Week. Life begins at every age—if you dare to make a plan.