“If you still believe that aliens would travel hundreds of light years to carve temporary graffiti in our wheat, then your imagination is one of the seven wonders of the world, and should be bronzed.”

“Like prospecting in the 19th century, reconnaissance of the asteroids would of necessity take place in an arena where trouble is likely and help is distant. Heroic stories of individual triumph and...”

“If you could drive straight down, into a tunnel bored through the crust of the planet, you'd hit this molten mess in about an hour. It's called the asthenosphere - a sluggish sea, several hundred m...”

“Plate tectonics is not all havoc and destruction. The slow movement of continents and ocean floors recycles carbon dioxide dissolved in the oceans back into the atmosphere. Without this slow speed ...”

“The stars look the same from night to night. Nebulae and galaxies are dully immutable, maintaining the same overall appearance for thousands or millions of years. Indeed, only the sun, moon and pla...”

“Each year, thousands of UFOs are sighted and reported, which is an impressive tally of unidentified aerial phenomena. Surveys show that roughly one-third of the populace believes that at least some...”

“For the two of us, home isn't a place. It is a person. And we are finally home.”

“The vast and beautiful world is the home we share together.”

“I stood there a long while, staring at that tree. It looked so strongSo beautiful. Hurt right down the middleBut alive and well. Cee touched my shoulderLightly. Frank? Yes? Come on, brother. Let's ...”

“Power is not revealed by striking hard or often, but by striking true.”

“As time and space are bent by gravity, so too is truth bent by power.”

“What a curious power words have.”

“Smart Technology is making us stupid.”

“Smart is what you learn from others. Wise is what you learn from yourself.”

“You looked a little bit smarter when your stupidity lessened a lot.”