对于系统，翻版的模拟是在控制图中添加一个创建循环的边，而不仅仅是一个附加节点。
For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵制这种怀疑；最深刻的智慧是知道何时应该抵制它，何时应该服从它。
In machine learning, the trade-off between bias and variance is crucial for achieving good generalization.
我不会让恐惧支配我的生活。
The world is not a problem to be solved; it is a living being to which we belong.
AI will augment human capabilities, not replace them.