每个人持续不断地努力改善自己的状况，这是公共、国家以及私人富裕最初来源的原则。
The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.
生活的美在于我们常常忽视的细节。
在算法的领域中，效率和优雅并不是相互排斥的，而往往是同一枚硬币的两面。
