For years I've been stressing with regard to UFOs that extraordinary claims require extraordinary evidence.

When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it.

All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.

A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun to someone.

The open road still softly calls, like a nearly forgotten song of childhood

A blade of grass is a commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know the value of a patch of green. And if a blade of grass is priceless, what is the value of a human being?

At a few hundred kilometers altitude, the Earth fills half your sky, and the band of blue that stretches from Mindanao to Bombay, which your eye encompasses in a single glance, can break your heart with its beauty. Home you think. Home. This is my world. This is where I come from. Everyone I know, everyone I ever heard of, grew up down there, under that relentless and exquisite blue.