A relativist is an individual who doesn't know the difference between an adjective and an adverb.

A mathematician is an individual who constructs space with 0D particles and then places a bowling ball on this invisible canvas to explain how gravity works.

A mathematician is a magician who converts adjectives into nouns: continuous into continuum, infinite into infinity, infinitesimal into location, 0D into point, 1D into line, curved into geodesic...

A mathematician tells you that the wall of warped space prevents the Moon from flying out of its orbit yet can't tell you why an astronaut can go back and forth across that same space.

A mathematician is an individual who proves his beliefs with equations.

A mathematician believes that describing the speed of Mercury with equations amounts to science.