“We may be only one of millions of advanced civilizations. Unfortunately, space being spacious, the average distance between any two of these civilizations is reckoned to be at least two hundred light-years, which is a great deal more than merely saying it makes it sound. It means for a start that even if these beings know we are here and are somehow able to see us in their telescopes, they're watching light that left Earth two hundred years ago. So, they're not seeing you and me. They're watching the French Revolution and Thomas Jefferson and people in silk stockings and powdered wigs--people who don't know what an atom is, or a gene, and who make their electricity by rubbing a rod of amber with a piece of fur and think that's quite a trick. Any message we receive from them is likely to begin "Dear Sire," and congratulate us on the handsomness of our horses and our mastery of whale oil. Two hundred light-years is a distance so far beyond us as to be, well, just beyond us.”

“We're like the Comanches was two hundred years ago. We don't know what's goin to show up here come daylight. We don't even know what color they'll be.”

“Distance and antiquity (the emphases of space and time) pull on our hearts. If we are already sobered by the thought that men lived two thousand five hundred years ago, how could we not be moved to know that they made verses, were spectators of the world, that they sheltered in light, lasting words something of their ponderous, fleeting life, words that fulfill a long destiny?”

“We go from one darkness to another and in between, the hidden light of the world, of knowledge. We open our eyes and in this circle of light, we see not just ourselves but others who are our likenesses. This light tells us all men are brothers, but even brothers kill one another, and it is in this light where all this happens. But living in this dazzling light does not blind us to what lies beyond the darkness from where we emerged and where we are going. It is faith which makes our journey possible though it be marred by the unkindness of men, their eternal faulting, before we pass on to another darkness.”

“Sharks have everything a scientist dreams of. They're beautiful―God, how beautiful they are! They're like an impossibly perfect piece of machinery. They're as graceful as any bird. They're as mysterious as any animal on earth. No one knows for sure how long they live or what impulses―except for hunger―they respond to. There are more than two hundred and fifty species of shark, and everyone is different from every other one.”

“I like the idea of something greater than us. We destroy things with our curiosity. We shatter with our best intentions. We are no closer to perfection than we were one hundred years ago, or five hundred.”