You can't control commodity prices, but you can control how you respond to them.
质量从来不是偶然的;它始终是智慧努力的结果。
Stop being afraid of what could go wrong and think of what could go right.
We must design technology that adapts to human behavior, not the other way around.
技术应该服务于人,而不是人服务于技术。
唯一的出路就是穿过去。