“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 ...”

“Not everyone may not think the way you do.”

“I think you're wrong.""Think what you like.”

“To think, to think, even with a split second left - to think was the only hope.”

“When you play, play hard; when you work, don't play at all.”

“There is virtue in work and there is virtue in rest. Use both and overlook neither.”

“All of us lived life when sex was the farthest thing from our minds. Try to remember the careless freedom of play, basking in the beingness of others. As adults, responsibilities and obligations ca...”