Environmental stewardship is not optional - it's our responsibility to future generations.
Strengthen international cooperation to promote the improvement of technology and management in the coal industry.
The secret to success is to start before you're ready.
"Writing is a way of thinking, a way of understanding the world."
The self is not something ready-made, but something in continuous formation through choice of action.
The market is a game of probabilities.
夜晚是一面镜子，它向你展示你害怕的东西。
心灵是一个操作符号表征的信息处理系统。