90o is the boiling point of a right-angled triangle
Infinity is where things happen that don't.
Algebra was the wife of euclid.
Parallel lines never meet unless you bend one or both of them.
A circle is a round line with no kinks in it joined up at the end so as not to show where the beginning is.
Geometry shows us how to bisex angles.
Algebraic symbols are used when you don't know what you are talking about.
An axiom is something so visible that it is not necessary to see it.
An oxygen is an eight-sided figure.
Parallel lines do not meet though produced to eternity.
Source: Desmond MacHale's Comic Sections, 1993, pp. 72-73