从社会控制中解放自己的最重要一步是能够在每一刻的事件中找到奖励。
Exceed your customers' expectations. If you do, they'll come back over and over. Give them what they want — and a little more.
The key to success is to focus on goals, not obstacles.
Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.