"Mathematics Revisited" joke

Life is complex. It has real and imaginary components.

What keeps a square from moving? Square roots, of course.

The law of the excluded middle either rules or does not rule.

In the topological hell the beer is packed in Klein's bottles.

To a mathematician, real life is a special case.

I heard that parallel lines actually do meet, but they are very discrete.

In modern mathematics, algebra has become so important that numbers will soon only have symbolic meaning.

Some say the pope is the greatest cardinal.
But others insist this cannot be so, as every pope has a successor.