The minerals we extract today must serve the needs of future generations as well.

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

Being a detective is like being a scientist. You have to notice things other people don’t notice.