Art is not about answers, it's about questions.

Safety must always come first in mining operations.

The secret of change is to focus all your energy not on fighting the old, but on building the new.

Leadership is about listening as much as it is about guiding.

在安静中观察世界，在闲暇中修炼心性。

I needed a drink, I needed a lot of life insurance, I needed a vacation, I needed a home in the country. What I had was a coat, a hat and a gun.