And undoubtedly there will be many who will say 'so what, you broke the law' - but lets be realistic. Anyone and i mean anyone could go 4mph over 30mph.
You're right, it's incredibly easy to go 4mp/h over, but it's nothing to be angry about - you got caught, you'll have to pay. Just the way it is

*edit*
It was a van with two fat gay coppers in the bak.
I was being sympathetic, but after this I'll just laugh at the fact you're being fined.