Life
"The Iron Rule: Treat others less powerful than you however you like.
The Silver Rule: Treat others as you’d like to be treated.
The Golden Rule: Treat others as they’d like to be treated."
― Dennis E. Taylor, Heaven's River
"Entities should not be multiplied without necessity"
― Occam's Razor
"Never attribute to malice that which is adequately explained by stupidity"
― Hanlon's Razor
"THEN TAKE THE UNIVERSE AND GRIND IT DOWN TO THE FINEST POWDER AND SIEVE IT THROUGH THE FINEST SIEVE AND THEN SHOW ME ONE ATOM OF JUSTICE, ONE MOLECULE OF MERCY. AND YET YOU ACT AS IF THERE IS SOME IDEAL ORDER IN THE WORLD, AS IF THERE IS SOME...SOME RIGHTNESS IN THE UNIVERSE BY WHICH IT MAY BE JUDGED."
― Terry Pratchett, Hogfather
"When it comes to things that separate you from the ground, every dollar spent is worth it. This applies especially to shoes, socks, chairs and beds."
― Alec Posney
"Really achieving your childhood dreams" - Randy Pausch
Work
"The purpose of a system is what it does."
― Stafford Beer
"Unfortunately, most warning systems do not warn us that they can no longer warn us."
― Charles Perrow, Normal Accidents
"If there are two or more ways to do something and one of those results in a catastrophe, then someone will do it that way." (Murphy's Law)
― Edward A. Murphy Jnr.
"That which can be asserted without evidence, can be dismissed without evidence."
― Christopher Hitchens (Hitchens's Razor)
Akin's Laws of Spacecraft Design - Applicable to almost any area of engineering.