Robert A. Heinlein Quotes about Technology
Don't explain computers to laymen. Simpler to explain sex to a virgin.
Robert A. Heinlein (2014). “The Moon is a Harsh Mistress”, p.89, Hachette UK
Never worry about theory as long as the machinery does what it's supposed to do.
"Waldo & Magic, Inc". Book by Robert A. Heinlein, 1950.