The one thing that I love about being a "born again" Christian is:
If I'm right and Atheists are wrong, I gain everything, Atheists loose everything.
If the Atheists are right, and I'm wrong, the Atheists gain nothing, I loose nothing.
The way I see it I'm in a Win, Win situation either way because I have nothing to loose.
It's too bad anyone has to loose anything but that is the chance you take.
Be polite, be courteous, be professional. But have a plan to kill everyone you meet.
If you did it all over again with what you know now. You'd just make different mistakes.