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

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

A mathematician is an individual who calls himself a 'physicist' and does 'physics' and physical experiments with abstract concepts.

A mathematician is an individual who believes that prophesying that his dog will die if he deprives it of food constitutes a prediction.

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

Define the word exist, and you'll know whether God exists.

Man steps on an ant when he can't catch the fly.