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.
所以,掌权者的主要任务,就在于聚集天下的贤良之士罢了。
先验与后验的区别是认识论的，而非形而上学的。
The market is a reflection of the collective knowledge of all participants.
