衡量一个人的真正标准是他如何对待那些对他绝对没有好处的人。

PID控制器是控制工程师的通用工具，适用于各种各样的过程。

The investor's chief problem—and even his worst enemy—is likely to be himself.

你的时间有限，所以不要浪费时间去过别人的生活。

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

最大的风险是不冒任何风险。在快速变化的世界里，唯一注定失败的策略就是不冒险。