There's an element of exploration. You are always looking over the hill [to] what's next.

It's an exciting place. That's what exploration is all about. You go out there. It isn't A. It isn't B. It isn't C. It's D, none of the above.

As we have seen for more than a year, ... our upstream business -- exploration and production -- has been the major contributor to our higher profits.

This is really a golden age of space exploration and discovery. But I can't go there with my field boots, so the next step is to send even smarter robots instead.

Our upstream business -- exploration and production -- continues to be the major contributor to overall profits, ... However, the improvement in earnings from the year-ago quarter was largely driven by our U.S. downstream operations -- refining, marketing and transportation.

We'd never have got a chance to go outside and look at the earth if it hadn't been for space exploration and NASA.