If I'm sufficiently fortunate to outlive you
You probably will and if that is indeed the case I couldn`t give a rat`s what you say then.
I won`t be able to hear it!
As long as most people attending believe that I gave it my best in life; well... that will be my epitaph!
A far far wiser man than I once said; (something like)
The evil that one man does lives on after him. The good is oft interred with his bones.