“I'm a reliable witness, you're a reliable witness, practically all God's children are reliable witnesses in their own estimation--which makes it funny how such different ideas of the same affair get about.”

“Your best chance to make it through is to have reliable people on either side of you. And that means you have to be reliable yourself. for loyalty is fundamentally reciprocal, and reliability is all about delivering on your part of the bargain when it matters.”

“Like all Vogon ships, it looked as if it had been not so much designed, as congealed. The unpleasant yellow lumps and edifices which protruded from it at unsightly angles would have disfigured the looks of most ships, but in this case, that was sadly impossible. Uglier things have been spotted in the skies, but not by reliable witnesses.”

“One would like to know, for most people, being denied reliable telepathic communication, reach for the phone, which they feel is more reliable.”

“Children needed love, a reliable source of comfort, and an adult willing to take responsibility for them.”

“...every new genetically engineered plant is a unique event in nature, bringing its own set of genetic contingencies. This means that the reliability or safety of one genetically modified plant doesn't necessarily guarantee the reliability or safety of the next.”