I don't let the world steal my peace.
When making something, always get a few extras — extra material, extra parts, extra space, extra finishes. The extras serve as backups for mistakes, reduce stress, and fill your inventory for the future. They are the cheapest insurance.
In machine learning, the trade-off between bias and variance is crucial for achieving good generalization.
真相并不总是表面看起来那样,有时不知道反而更好。