Oalaego (O'ala ego) essentially means "Individual perceptions invariably differ." This is proven by the image above left. You have already decided what is displayed in the image; but are you sure?

Which part forms the image, the black section or the white section?

In actual fact, Oalaego is an acronym, based on a slightly paraphrased observation made by Clint Eastwood as Dirty Harry in one of the later Dirty Harry movies.