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 greatest breakthroughs are missed because they look like hard work.

"The best way to innovate is to take risks."

人们总是倾向于高估一天能达成的事情，而低估十年能取得的成就。奇迹常常可以在十年的尺度上发生。长期主义能够实现的小进展的持续积累的复利，足以超越哪怕巨大的失误。