The only way to do great work is to love what you do.
做出伟大工作的唯一方法就是热爱你所做的事。
自适应控制是根据观察到的系统行为调整控制器参数。
Sustainability isn't a destination—it's a journey.
Sustainability is not a choice; it's an imperative for long-term success.
上帝很少揭示未来。当他这样做时，只有一个原因：这是一个注定要被改变的未来。
A writer's life is a highly vulnerable, almost naked activity. We don't have to weep about that. The writer makes his choice and is stuck with it. But it is true to say that you are open to all the winds, some of them icy indeed. You are out on your own, out on a limb. You find no shelter, no protection — unless you lie — in which case of course you have constructed your own protection and, it could be argued, become a politician.
We don't even know how strong we are until we are forced to bring that hidden strength forward. In times of tragedy, of war, of necessity, people do amazing things. The human capacity for survival and renewal is awesome.
In the short run, the market is a voting machine but in the long run, it is a weighing machine.