“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...”

“Of the two powers, the two categories that take possession of us when we enter the world, space is by far the less mysterious. . . . Space is, after all, solid, monolithic. . . . Time, on the other...”

“The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary master...”

“A human being is a part of the whole, called by us "Universe", a part limited in time and space.”

“I have long thought that anyone who does not regularly - or ever - gaze up and see the wonder and glory of a dark night sky filled with countless stars loses a sense of their fundamental connectedn...”

“I met Ashley two weeks before I married him. It was a joke-the most ridiculous thing I've ever done. Once I was married, I didn't want to be a failure, so I stuck it out for six months, which was a...”

“There is no disguise which can hide love for long where it exists, or simulate it where it does not.”

“The scariest thing about distance is that you dont know whether theyll miss you or forget you.”

“I imagine a line, a white line, painted on the sand and on the ocean, from me to you.”

“A week feels like a year when youre seventeen and in love. A twenty minute drive might as well be an ocean. But we were together again and the whole world was rejoicing, even the gravel crunched me...”