The human being is a most curious creature. He thinks he has a soul, but all he has is a body.

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

The key to success is to focus on goals, not obstacles.

The world is a great fire, and we are the sparks.

Efficiency in mining isn't just about speed; it's about doing more with less waste.

It is not a very fragrant world, but it is the world you live in.

我做事情不是为了得到反应或批评，我为自己感到快乐的事情而活。