How much is 2 + 2?
A university committee was selecting a new dean. They had narrowed the candidates down to a mathematician, an economist, an accountant, an engineer, a physicist, and a lawyer. Each was asked this question during their interview: "How much is two plus two?"
The mathematician answers immediately, "Four."
The economist thinks for several minutes and finally answers, "Four, plus or minus one."
The accountant says: "I think it's either 3 or 4. Let me run those figures through my spreadsheet one more time."
The engineer excused himself, and made a series of measurements and calculations before returning to the board room and announcing, "Four."
The physicist excused himself, made for the library, and did a great deal of research. After a consultation with the United States Bureau of Standards and many calculations, he also announced "Four."
The lawyer stands up, pulls the drapes, dims the lights, and motions silently for the committee members to gather close to him. In a hushed, conspiratorial tone, he replies, "How much do you want it to be?"