If you think you saw a mouse， you did. And， if there is one， there are more.
如果你觉得你看到了一只老鼠，那么你肯定就是看到了。而且，如果有一只的话，就会有更多。
The rocks we extract today build the infrastructure of tomorrow.
知识是解锁心灵之门的钥匙。
"A life without reflection is a life half-lived, and biography is the mirror."
The road to success is always under construction.
矿工的安全永远不应该用成本效益分析来衡量。
You can't change the direction of the wind, but you can adjust your sails.