They drive out on the savannah in their jeep, stop and scout the horizon with their binoculars. We only know there's one white zebra. Lumberjacks make good mathmaticians because of their natural logarithms. Pie are not square. Pie are round.
Cornbread are square.
Dennis Healy, Dartmouth A doctor, a lawyer and a mathematician were discussing the relative merits of having a wife or a mistress. If you have a wife and want a divorce, it causes all sorts of legal problems. Algebraists do it in groups. Al Sethuraman, Calma Company, San Diego Von Neumann and Nobert Weiner were both the subject of many dotty professor stories. One time one of his students tried to get more helpful information by asking if there was another way to solve the problem.