做东西的时候，总要多备上一些——额外的材料、额外的部件、额外的空间、额外的饰面。这些额外的东西可以为错误提供备份、减轻压力，还可以为未来储备资源。它们是最便宜的保险。
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.
注意力的聚光灯之外，潜意识的暗流正在改河道。
At the close of our studies， we knew all the past of physics， but nothing of the present and the future.
Algorithms shouldn't determine the value of content, human judgment is the core.
成功的唯一途径是拥有一个非常非常好的产品。