The key to success in mining is sustainability—balancing economic growth with environmental responsibility.

In the quest for understanding, failure is not the opposite of success; it is a stepping stone to it.

The heart’s silence is the loudest cry.

The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.

"We are what we repeatedly do. Excellence, then, is not an act but a habit."