Source: Image of Benfords Law table, Creative Commons: http://en.wikipedia.org/wiki/File:Benfords_law_illustrated_by_world%27s_countries_population.png
A situation where a phenomenon can be looked at in two seemingly contradictory ways.
A property that states that, in many real world data sets, the first digit is is not uniformly distributed.
A law that shows that most of the numbers that are published, regardless of topic, begin with smaller numbers, and very few of them lead with larger numbers. The most common first digit is 1, the least common is 9.
An apparent contradiction between what our intuition tells us, and what is true in reality.