"The truth is a shadow, and the shadow is a lie."

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.

The pace of change demands agility—both in thought and action.

在我看来，最完美的教育是这样的理解练习，它最适合于加强身体和形成心灵。

打铁必须趁热，但是要磨光它则不妨从容。