What is Maths?

Is maths the language of reality? "Mathematics is the abstract key which turns the lock of the physical universe." This quote by John Polkinghorne captures the most amazing characteristic of maths: that somehow it, better than anything else, can be used to describe and explain natural phenomena. Much of physics, for example, is written in maths. Newton's F=ma or Einstein's E=mc2 are examples of equations that capture the heart of their theories....