如果要从正确和善良中做选择，请选择善良。
计算学习理论中的挑战在于理解学习算法的能力和局限性。
The more we know, the more we realize how little we know.
The success of an enterprise depends not only on the external environment but also on internal management.
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.
