Not who you're looking for? Others named Charles Sheffield: British mathematician, physicist and writer (1935–2002)
“Life’s not chess, and life’s not poker, but there’s some of both in it.”
“The mills of bureaucracy may or may not grind fine, but they certainly grind exceeding slow.”
“What does one do when a madman suggests an appealing course of action? One worries—but probably goes along with it.”
“Improbable as it seems, I think she admires you more than me.”
“A thousand friends have less weight than a single enemy.”
“I’d make a case for saying anything that propagates itself in an intentional way qualifies to be thought of as alive.”
Quotes via Wikiquote (CC BY-SA), each with its original source.