“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...”

“The constant reprimands made me hyperconscious of my own performance, and so instead of getting rid of self, I had become embedded in the egoism I was supposed to transcend. Now I was beginning to ...”

“Silence is the mother of truth.”

“Silence is a powerful tool.”

“When the mind wants to hope it refuses to listen.”

“Sweet are the thoughts that savour of content, The quiet mind is richer than a crown...”

“It turns out that the men who ultimately, who unpretentiously value peace are willing to sacrifice their own peace of mind in order to render it. The question is, 'Who, between opposing forces, wou...”

“There is no end to wonder once one starts really looking.”

“Look upon the world with loving eyes and the reflection everyone sees will contain love.”

“Go look in the mirror and have a talk with your real boss”