Quote of the Day
If you've been playing poker for half-an-hour and you don't know who the patsy is – your're the patsy.
— Warren Buffet
I love proofs without words. Usually, I see them in discussions of mathematical concepts like the Pythagorean theorem (examples). While reading about home construction at the Journal of Light Construction, I saw a nice graphical look at the difference between the gross margin on a product and the markup on a product.