Being a scientist and staring immensity and eternity in the face every day is as grand and inspiring as it gets.

Remember, Voyager was just a flyby, Cassini is in orbit. We have the opportunity for monitoring them and their behavior, their comings and goings, how they evolve, when they appear and disappear.

The same spiritual fulfillment that people find in religion can be found in science by coming to know, if you will, the mind of God.

Being a scientist and staring immensity and eternity in the face every day is as grand and inspiring as it gets.

For planetary explorers like us, there is little that can compare to the sighting of activity on another solar system body. This has been a heart-stopper, and surely one of our most thrilling results.

We had convinced ourselves that conditions wouldn't be right for seeing spokes on the lit side of the rings until about 2007, ... But this finding seems to be telling us that conditions on the dark side of the rings are almost as good right now for seeing spokes.

We humans, though troubled and warlike, are also the dreams, thinkers, and explorers inhabiting one achingly beautiful planet, yearning for the sublime, and capable of the magnificent.