The most important single aspect of software development is to be clear about what you are trying to build.

The past is always tense, the future perfect.

所有人都是我们的导师，恶人通过他们的恶行说'不要靠近我'。善人总是善良的，所以所有人都像导师一样对我们。

Coal is not just a commodity, it's a commitment to America's future.

保卫国家政权，是那些君主和臣子等享受俸禄的人谋划的事；保卫整个天下，即使是地位低微的普通百姓也有责任参与。

对智者来说，世界是喜剧；对愚者来说，世界是悲剧。