We live in a world of shadows, and we ourselves are shadows.
我们生活在一个影子的世界里,我们自己也是影子。
坚持做自己喜欢的事情,即使遇到困难也不要轻易放弃。
In machine learning, the trade-off between bias and variance is crucial for achieving good generalization.
"It's not about how much we have, but how much we enjoy, that makes happiness."