Very sorry to hear about your loss and condolences to you and your family. I have lost two significant people in my life and I understand how you feel. It gets better with time, but you never get over it. I have the same religious view as you do so just remember all the good memories you have with your dad.
"There's no way to rule innocent men. The only power government has is the power to crack down on criminals.
Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws." - Ayn Rand