We’re talking about something we all want very much to find. And that automatically makes Ed’s conclusions suspect. - Jack McDevitt

There is, he’d said, an inverse correlation between the amount of power a person has and the level at which his or her mind functions. A person of ordinary intelligence who acquires power, of whatever kind, tends to develop an exaggerated view of his own capabilities. Sycophants gather. There is little or no criticism of decisions. As his ability to disrupt the lives of others advances, these tendencies become stronger. Eventually you end with Louis the Fourteenth, who thinks he’s done a good job for France, although the country he left behind was ruined.

One should always be skeptical. That's always been our problem. We have too many believers.
"Believers in what?"
"In everything."

“It’s so old,” she said, “that, had life developed, it would be billions of years older than we are. Imagine what such a civilization might be like.”
Dead, thought MacAllister. That’s what it would be like. The fact that no technologically advanced species had been found in all these years made it pretty clear that the damned things have no staying power. You could see it at home, where, starting with the Cold War, there’d already been a few close calls.
It explained the Fermi Paradox. Nobody visits us because they blow themselves up before they get that far.