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。
Mathematics is a living subject, constantly evolving and growing.
爱国不是选择,而是责任。
I don't care about being cool. I care about being happy.
People haven't always been there for me but music always has.
"Experience is simply the name we give our mistakes."