My favorite expression at work is based on our attempts at making the usage of the sampling equipment I designed as simple and easy as possible. We all work to make things as foolproof as possible but they keep making better fools.
"The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will." -- Vince Lombardi,
How to tell the difference between a black bear and a brown bear. If you climb a tree and the bear climbs up the tree to eat you, it is a black bear. If it knocks the tree down to eat you, it is a brown bear.
"So you want to be successful? If so, you must OBSERVE the masses and do the OPPOSITE". --A very wise mentor
"All great deeds and all great thoughts have a ridiculous beginning." -- Albert Camus, writer and philosopher
"Life starts out with everyone clapping when you take a poo and goes downhill from there." Sloane Crosley
"You're a ghost driving a meat-coated skeleton made from stardust, riding a rock, hurtling through space. Fear nothing." From this pretty cool article.
Education is that which discloses to the wise and disguises from the foolish their lack of understanding. Ambrose Bierce
A twofer . . . "You must do the thing you think you cannot do." -- Eleanor Roosevelt and "Facts do not cease to exist because they are ignored." -- Aldous Huxley
"There is happiness in duty, although it may not seem so." -- Jose Marti, writer and political theorist